Finding the Fourth Proportional to 4,982,516.60, 6,875,872.76 and 2,690,677.20
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Solution
The fourth proportional to 4,982,516.60, 6,875,872.76 and 2,690,677.20 is: 3,713,134.46
Step by Step Solution
- Step 1: Write the proportion equation
4,982,516.60 : 6,875,872.76 = 2,690,677.20 : x - Step 2: Convert to fraction form
4,982,516.60/6,875,872.76 = 2,690,677.20/x - Step 3: Cross multiply
4,982,516.60x = 6,875,872.76 × 2,690,677.20 - Step 4: Simplify right side
4,982,516.60x = 18,500,754,065,433.07 - Step 5: Solve for x
x = 18,500,754,065,433.07/4,982,516.60 - Step 6: Final answer
x = 3,713,134.46
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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.