Finding the Fourth Proportional to 6,787,726.20, 9,367,246.92 and 3,690,458.04
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Solution
The fourth proportional to 6,787,726.20, 9,367,246.92 and 3,690,458.04 is: 5,092,932.55
Step by Step Solution
- Step 1: Write the proportion equation
6,787,726.20 : 9,367,246.92 = 3,690,458.04 : x - Step 2: Convert to fraction form
6,787,726.20/9,367,246.92 = 3,690,458.04/x - Step 3: Cross multiply
6,787,726.20x = 9,367,246.92 × 3,690,458.04 - Step 4: Simplify right side
6,787,726.20x = 34,569,431,708,579.24 - Step 5: Solve for x
x = 34,569,431,708,579.24/6,787,726.20 - Step 6: Final answer
x = 5,092,932.55
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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.