Finding the Fourth Proportional to 2,102,789.26, 3,160,767.90 and 1,387,726.09
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Solution
The fourth proportional to 2,102,789.26, 3,160,767.90 and 1,387,726.09 is: 2,085,934.22
Step by Step Solution
- Step 1: Write the proportion equation
2,102,789.26 : 3,160,767.90 = 1,387,726.09 : x - Step 2: Convert to fraction form
2,102,789.26/3,160,767.90 = 1,387,726.09/x - Step 3: Cross multiply
2,102,789.26x = 3,160,767.90 × 1,387,726.09 - Step 4: Simplify right side
2,102,789.26x = 4,386,280,079,264.51 - Step 5: Solve for x
x = 4,386,280,079,264.51/2,102,789.26 - Step 6: Final answer
x = 2,085,934.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.