Finding the Fourth Proportional to 4,086,541.49, 5,639,358.36 and 2,251,171.46
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Solution
The fourth proportional to 4,086,541.49, 5,639,358.36 and 2,251,171.46 is: 3,106,578.66
Step by Step Solution
- Step 1: Write the proportion equation
4,086,541.49 : 5,639,358.36 = 2,251,171.46 : x - Step 2: Convert to fraction form
4,086,541.49/5,639,358.36 = 2,251,171.46/x - Step 3: Cross multiply
4,086,541.49x = 5,639,358.36 × 2,251,171.46 - Step 4: Simplify right side
4,086,541.49x = 12,695,162,592,744.41 - Step 5: Solve for x
x = 12,695,162,592,744.41/4,086,541.49 - Step 6: Final answer
x = 3,106,578.66
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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.