Finding the Fourth Proportional to 5,728,040.96, 7,904,425.92 and 3,149,830.40
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Solution
The fourth proportional to 5,728,040.96, 7,904,425.92 and 3,149,830.40 is: 4,346,617.15
Step by Step Solution
- Step 1: Write the proportion equation
5,728,040.96 : 7,904,425.92 = 3,149,830.40 : x - Step 2: Convert to fraction form
5,728,040.96/7,904,425.92 = 3,149,830.40/x - Step 3: Cross multiply
5,728,040.96x = 7,904,425.92 × 3,149,830.40 - Step 4: Simplify right side
5,728,040.96x = 24,897,601,057,363.97 - Step 5: Solve for x
x = 24,897,601,057,363.97/5,728,040.96 - Step 6: Final answer
x = 4,346,617.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.