Finding the Fourth Proportional to 2,720,427.30, 4,080,640.95 and 827,165.70
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Solution
The fourth proportional to 2,720,427.30, 4,080,640.95 and 827,165.70 is: 1,240,748.55
Step by Step Solution
- Step 1: Write the proportion equation
2,720,427.30 : 4,080,640.95 = 827,165.70 : x - Step 2: Convert to fraction form
2,720,427.30/4,080,640.95 = 827,165.70/x - Step 3: Cross multiply
2,720,427.30x = 4,080,640.95 × 827,165.70 - Step 4: Simplify right side
2,720,427.30x = 3,375,366,227,855.42 - Step 5: Solve for x
x = 3,375,366,227,855.42/2,720,427.30 - Step 6: Final answer
x = 1,240,748.55
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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.