Finding the Fourth Proportional to 4,086,497.97, 5,639,158.77 and 2,250,916.74
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Solution
The fourth proportional to 4,086,497.97, 5,639,158.77 and 2,250,916.74 is: 3,106,150.29
Step by Step Solution
- Step 1: Write the proportion equation
4,086,497.97 : 5,639,158.77 = 2,250,916.74 : x - Step 2: Convert to fraction form
4,086,497.97/5,639,158.77 = 2,250,916.74/x - Step 3: Cross multiply
4,086,497.97x = 5,639,158.77 × 2,250,916.74 - Step 4: Simplify right side
4,086,497.97x = 12,693,276,874,910.81 - Step 5: Solve for x
x = 12,693,276,874,910.81/4,086,497.97 - Step 6: Final answer
x = 3,106,150.29
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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.