Finding the Fourth Proportional to 4,982,516.46, 6,875,872.75 and 2,690,677.15
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Solution
The fourth proportional to 4,982,516.46, 6,875,872.75 and 2,690,677.15 is: 3,713,134.48
Step by Step Solution
- Step 1: Write the proportion equation
4,982,516.46 : 6,875,872.75 = 2,690,677.15 : x - Step 2: Convert to fraction form
4,982,516.46/6,875,872.75 = 2,690,677.15/x - Step 3: Cross multiply
4,982,516.46x = 6,875,872.75 × 2,690,677.15 - Step 4: Simplify right side
4,982,516.46x = 18,500,753,680,906.32 - Step 5: Solve for x
x = 18,500,753,680,906.32/4,982,516.46 - Step 6: Final answer
x = 3,713,134.48
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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.