Finding the Fourth Proportional to 4,086,843.97, 5,639,420.40 and 2,516,726.20
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Solution
The fourth proportional to 4,086,843.97, 5,639,420.40 and 2,516,726.20 is: 3,472,820.88
Step by Step Solution
- Step 1: Write the proportion equation
4,086,843.97 : 5,639,420.40 = 2,516,726.20 : x - Step 2: Convert to fraction form
4,086,843.97/5,639,420.40 = 2,516,726.20/x - Step 3: Cross multiply
4,086,843.97x = 5,639,420.40 × 2,516,726.20 - Step 4: Simplify right side
4,086,843.97x = 14,192,877,073,494.48 - Step 5: Solve for x
x = 14,192,877,073,494.48/4,086,843.97 - Step 6: Final answer
x = 3,472,820.88
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1.5x scale
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.