Finding the Fourth Proportional to 2,847,966.75, 4,272,650.10 and 853,422.75
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Solution
The fourth proportional to 2,847,966.75, 4,272,650.10 and 853,422.75 is: 1,280,343.88
Step by Step Solution
- Step 1: Write the proportion equation
2,847,966.75 : 4,272,650.10 = 853,422.75 : x - Step 2: Convert to fraction form
2,847,966.75/4,272,650.10 = 853,422.75/x - Step 3: Cross multiply
2,847,966.75x = 4,272,650.10 × 853,422.75 - Step 4: Simplify right side
2,847,966.75x = 3,646,376,798,129.78 - Step 5: Solve for x
x = 3,646,376,798,129.78/2,847,966.75 - Step 6: Final answer
x = 1,280,343.88
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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.