Finding the Fourth Proportional to 3,912,748.26, 5,399,524.17 and 2,193,863.46
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Solution
The fourth proportional to 3,912,748.26, 5,399,524.17 and 2,193,863.46 is: 3,027,493.21
Step by Step Solution
- Step 1: Write the proportion equation
3,912,748.26 : 5,399,524.17 = 2,193,863.46 : x - Step 2: Convert to fraction form
3,912,748.26/5,399,524.17 = 2,193,863.46/x - Step 3: Cross multiply
3,912,748.26x = 5,399,524.17 × 2,193,863.46 - Step 4: Simplify right side
3,912,748.26x = 11,845,818,777,949.83 - Step 5: Solve for x
x = 11,845,818,777,949.83/3,912,748.26 - Step 6: Final answer
x = 3,027,493.21
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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.