Finding the Fourth Proportional to 5,735,128.26, 7,914,414.21 and 3,156,753.54
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Solution
The fourth proportional to 5,735,128.26, 7,914,414.21 and 3,156,753.54 is: 4,356,285.32
Step by Step Solution
- Step 1: Write the proportion equation
5,735,128.26 : 7,914,414.21 = 3,156,753.54 : x - Step 2: Convert to fraction form
5,735,128.26/7,914,414.21 = 3,156,753.54/x - Step 3: Cross multiply
5,735,128.26x = 7,914,414.21 × 3,156,753.54 - Step 4: Simplify right side
5,735,128.26x = 24,983,855,074,443.80 - Step 5: Solve for x
x = 24,983,855,074,443.80/5,735,128.26 - Step 6: Final answer
x = 4,356,285.32
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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.