Finding the Fourth Proportional to 2,900,213.70, 4,350,320.55 and 2,227,589.70
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Solution
The fourth proportional to 2,900,213.70, 4,350,320.55 and 2,227,589.70 is: 3,341,384.55
Step by Step Solution
- Step 1: Write the proportion equation
2,900,213.70 : 4,350,320.55 = 2,227,589.70 : x - Step 2: Convert to fraction form
2,900,213.70/4,350,320.55 = 2,227,589.70/x - Step 3: Cross multiply
2,900,213.70x = 4,350,320.55 × 2,227,589.70 - Step 4: Simplify right side
2,900,213.70x = 9,690,729,248,878.34 - Step 5: Solve for x
x = 9,690,729,248,878.34/2,900,213.70 - Step 6: Final answer
x = 3,341,384.55
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1.5x scale
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.