Finding the Fourth Proportional to 3,976,469.12, 5,964,256.96 and 1,098,245.14
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Solution
The fourth proportional to 3,976,469.12, 5,964,256.96 and 1,098,245.14 is: 1,647,244.33
Step by Step Solution
- Step 1: Write the proportion equation
3,976,469.12 : 5,964,256.96 = 1,098,245.14 : x - Step 2: Convert to fraction form
3,976,469.12/5,964,256.96 = 1,098,245.14/x - Step 3: Cross multiply
3,976,469.12x = 5,964,256.96 × 1,098,245.14 - Step 4: Simplify right side
3,976,469.12x = 6,550,216,220,031.17 - Step 5: Solve for x
x = 6,550,216,220,031.17/3,976,469.12 - Step 6: Final answer
x = 1,647,244.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.