Finding the Fourth Proportional to 3,948,235.22, 5,924,712.36 and 3,627,008.66
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Solution
The fourth proportional to 3,948,235.22, 5,924,712.36 and 3,627,008.66 is: 5,442,680.55
Step by Step Solution
- Step 1: Write the proportion equation
3,948,235.22 : 5,924,712.36 = 3,627,008.66 : x - Step 2: Convert to fraction form
3,948,235.22/5,924,712.36 = 3,627,008.66/x - Step 3: Cross multiply
3,948,235.22x = 5,924,712.36 × 3,627,008.66 - Step 4: Simplify right side
3,948,235.22x = 21,488,983,037,729.04 - Step 5: Solve for x
x = 21,488,983,037,729.04/3,948,235.22 - Step 6: Final answer
x = 5,442,680.55
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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.