Finding the Fourth Proportional to 4,609,672.20, 6,914,508.30 and 2,218,187.70
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Solution
The fourth proportional to 4,609,672.20, 6,914,508.30 and 2,218,187.70 is: 3,327,281.55
Step by Step Solution
- Step 1: Write the proportion equation
4,609,672.20 : 6,914,508.30 = 2,218,187.70 : x - Step 2: Convert to fraction form
4,609,672.20/6,914,508.30 = 2,218,187.70/x - Step 3: Cross multiply
4,609,672.20x = 6,914,508.30 × 2,218,187.70 - Step 4: Simplify right side
4,609,672.20x = 15,337,677,262,607.91 - Step 5: Solve for x
x = 15,337,677,262,607.91/4,609,672.20 - Step 6: Final answer
x = 3,327,281.55
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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.