Finding the Fourth Proportional to 2,744,642.29, 3,787,726.80 and 1,520,944.96
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Solution
The fourth proportional to 2,744,642.29, 3,787,726.80 and 1,520,944.96 is: 2,098,970.79
Step by Step Solution
- Step 1: Write the proportion equation
2,744,642.29 : 3,787,726.80 = 1,520,944.96 : x - Step 2: Convert to fraction form
2,744,642.29/3,787,726.80 = 1,520,944.96/x - Step 3: Cross multiply
2,744,642.29x = 3,787,726.80 × 1,520,944.96 - Step 4: Simplify right side
2,744,642.29x = 5,760,923,982,551.15 - Step 5: Solve for x
x = 5,760,923,982,551.15/2,744,642.29 - Step 6: Final answer
x = 2,098,970.79
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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.