Finding the Fourth Proportional to 2,914,489.80, 4,371,734.70 and 2,560,195.80
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Solution
The fourth proportional to 2,914,489.80, 4,371,734.70 and 2,560,195.80 is: 3,840,293.70
Step by Step Solution
- Step 1: Write the proportion equation
2,914,489.80 : 4,371,734.70 = 2,560,195.80 : x - Step 2: Convert to fraction form
2,914,489.80/4,371,734.70 = 2,560,195.80/x - Step 3: Cross multiply
2,914,489.80x = 4,371,734.70 × 2,560,195.80 - Step 4: Simplify right side
2,914,489.80x = 11,192,496,817,654.26 - Step 5: Solve for x
x = 11,192,496,817,654.26/2,914,489.80 - Step 6: Final answer
x = 3,840,293.70
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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.