Finding the Fourth Proportional to 3,187,224.09, 4,398,212.57 and 1,736,915.13
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Solution
The fourth proportional to 3,187,224.09, 4,398,212.57 and 1,736,915.13 is: 2,396,857.50
Step by Step Solution
- Step 1: Write the proportion equation
3,187,224.09 : 4,398,212.57 = 1,736,915.13 : x - Step 2: Convert to fraction form
3,187,224.09/4,398,212.57 = 1,736,915.13/x - Step 3: Cross multiply
3,187,224.09x = 4,398,212.57 × 1,736,915.13 - Step 4: Simplify right side
3,187,224.09x = 7,639,321,949,104.61 - Step 5: Solve for x
x = 7,639,321,949,104.61/3,187,224.09 - Step 6: Final answer
x = 2,396,857.50
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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.