Finding the Fourth Proportional to 3,841,373.12, 5,761,320.35 and 1,791,470.97
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Solution
The fourth proportional to 3,841,373.12, 5,761,320.35 and 1,791,470.97 is: 2,686,861.66
Step by Step Solution
- Step 1: Write the proportion equation
3,841,373.12 : 5,761,320.35 = 1,791,470.97 : x - Step 2: Convert to fraction form
3,841,373.12/5,761,320.35 = 1,791,470.97/x - Step 3: Cross multiply
3,841,373.12x = 5,761,320.35 × 1,791,470.97 - Step 4: Simplify right side
3,841,373.12x = 10,321,238,146,937.88 - Step 5: Solve for x
x = 10,321,238,146,937.88/3,841,373.12 - Step 6: Final answer
x = 2,686,861.66
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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.