Finding the Fourth Proportional to 3,125,167.20, 4,687,750.80 and 881,305.20
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Solution
The fourth proportional to 3,125,167.20, 4,687,750.80 and 881,305.20 is: 1,321,957.80
Step by Step Solution
- Step 1: Write the proportion equation
3,125,167.20 : 4,687,750.80 = 881,305.20 : x - Step 2: Convert to fraction form
3,125,167.20/4,687,750.80 = 881,305.20/x - Step 3: Cross multiply
3,125,167.20x = 4,687,750.80 × 881,305.20 - Step 4: Simplify right side
3,125,167.20x = 4,131,339,156,344.16 - Step 5: Solve for x
x = 4,131,339,156,344.16/3,125,167.20 - Step 6: Final answer
x = 1,321,957.80
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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.