Finding the Fourth Proportional to 1,474,366.80, 2,034,691.68 and 829,828.80
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Solution
The fourth proportional to 1,474,366.80, 2,034,691.68 and 829,828.80 is: 1,145,200.61
Step by Step Solution
- Step 1: Write the proportion equation
1,474,366.80 : 2,034,691.68 = 829,828.80 : x - Step 2: Convert to fraction form
1,474,366.80/2,034,691.68 = 829,828.80/x - Step 3: Cross multiply
1,474,366.80x = 2,034,691.68 × 829,828.80 - Step 4: Simplify right side
1,474,366.80x = 1,688,445,755,184.38 - Step 5: Solve for x
x = 1,688,445,755,184.38/1,474,366.80 - Step 6: Final answer
x = 1,145,200.61
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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.