Finding the Fourth Proportional to 3,924,691.98, 5,887,038.06 and 1,229,228.10
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Solution
The fourth proportional to 3,924,691.98, 5,887,038.06 and 1,229,228.10 is: 1,843,842.18
Step by Step Solution
- Step 1: Write the proportion equation
3,924,691.98 : 5,887,038.06 = 1,229,228.10 : x - Step 2: Convert to fraction form
3,924,691.98/5,887,038.06 = 1,229,228.10/x - Step 3: Cross multiply
3,924,691.98x = 5,887,038.06 × 1,229,228.10 - Step 4: Simplify right side
3,924,691.98x = 7,236,512,609,121.49 - Step 5: Solve for x
x = 7,236,512,609,121.49/3,924,691.98 - Step 6: Final answer
x = 1,843,842.18
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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.