Finding the Fourth Proportional to 5,696,646.40, 8,548,906.20 and 4,100,573.80
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Solution
The fourth proportional to 5,696,646.40, 8,548,906.20 and 4,100,573.80 is: 6,153,694.35
Step by Step Solution
- Step 1: Write the proportion equation
5,696,646.40 : 8,548,906.20 = 4,100,573.80 : x - Step 2: Convert to fraction form
5,696,646.40/8,548,906.20 = 4,100,573.80/x - Step 3: Cross multiply
5,696,646.40x = 8,548,906.20 × 4,100,573.80 - Step 4: Simplify right side
5,696,646.40x = 35,055,420,782,377.55 - Step 5: Solve for x
x = 35,055,420,782,377.55/5,696,646.40 - Step 6: Final answer
x = 6,153,694.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.