Finding the Fourth Proportional to 4,107,694.28, 5,668,548.16 and 2,272,151.12
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Solution
The fourth proportional to 4,107,694.28, 5,668,548.16 and 2,272,151.12 is: 3,135,529.86
Step by Step Solution
- Step 1: Write the proportion equation
4,107,694.28 : 5,668,548.16 = 2,272,151.12 : x - Step 2: Convert to fraction form
4,107,694.28/5,668,548.16 = 2,272,151.12/x - Step 3: Cross multiply
4,107,694.28x = 5,668,548.16 × 2,272,151.12 - Step 4: Simplify right side
4,107,694.28x = 12,879,798,050,517.94 - Step 5: Solve for x
x = 12,879,798,050,517.94/4,107,694.28 - Step 6: Final answer
x = 3,135,529.86
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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.