Finding the Fourth Proportional to 3,167,695.46, 4,375,028.09 and 2,147,328.74
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Solution
The fourth proportional to 3,167,695.46, 4,375,028.09 and 2,147,328.74 is: 2,965,759.71
Step by Step Solution
- Step 1: Write the proportion equation
3,167,695.46 : 4,375,028.09 = 2,147,328.74 : x - Step 2: Convert to fraction form
3,167,695.46/4,375,028.09 = 2,147,328.74/x - Step 3: Cross multiply
3,167,695.46x = 4,375,028.09 × 2,147,328.74 - Step 4: Simplify right side
3,167,695.46x = 9,394,623,555,964.31 - Step 5: Solve for x
x = 9,394,623,555,964.31/3,167,695.46 - Step 6: Final answer
x = 2,965,759.71
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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.