Finding the Fourth Proportional to 2,251,402.32, 3,106,935.87 and 1,218,909.90
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Solution
The fourth proportional to 2,251,402.32, 3,106,935.87 and 1,218,909.90 is: 1,682,096.02
Step by Step Solution
- Step 1: Write the proportion equation
2,251,402.32 : 3,106,935.87 = 1,218,909.90 : x - Step 2: Convert to fraction form
2,251,402.32/3,106,935.87 = 1,218,909.90/x - Step 3: Cross multiply
2,251,402.32x = 3,106,935.87 × 1,218,909.90 - Step 4: Simplify right side
2,251,402.32x = 3,787,074,890,608.11 - Step 5: Solve for x
x = 3,787,074,890,608.11/2,251,402.32 - Step 6: Final answer
x = 1,682,096.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.