Finding the Fourth Proportional to 5,824,711.20, 8,737,066.80 and 3,305,287.20
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Solution
The fourth proportional to 5,824,711.20, 8,737,066.80 and 3,305,287.20 is: 4,957,930.80
Step by Step Solution
- Step 1: Write the proportion equation
5,824,711.20 : 8,737,066.80 = 3,305,287.20 : x - Step 2: Convert to fraction form
5,824,711.20/8,737,066.80 = 3,305,287.20/x - Step 3: Cross multiply
5,824,711.20x = 8,737,066.80 × 3,305,287.20 - Step 4: Simplify right side
5,824,711.20x = 28,878,515,059,584.96 - Step 5: Solve for x
x = 28,878,515,059,584.96/5,824,711.20 - Step 6: Final answer
x = 4,957,930.80
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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.