It does due to the face that number of police is correlated with number of people in general. According to Wikipedia, Germany is the most populous followed closely by France and the UK.
|same amount of members of the house (and thus the same number of electoral votes)|
If the union is mostly economic, then it stands to reason that the greatest economy has the greatest say - and what do you know, that's Germany, with a GDP roughly 1.3 times as high as France's. You can also look at the sheer number of Europeans represented by 'Germany' as compared to the others, but again Germany's is about 1.25 - 1.3 times as high as France.
If Germany, when expressing its opinion, does so representing 1.3 times as many people, then it's only democratic that every one of these people's voices have an equal value to that of Frenchman's, so that their collective opinion as voiced by the German representatives, accordingly, also weights 1.3 times as heavily.