Finding the Fourth Proportional to 2,428,141.24, 3,350,883.90 and 1,340,408.44
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Solution
The fourth proportional to 2,428,141.24, 3,350,883.90 and 1,340,408.44 is: 1,849,790.69
Step by Step Solution
- Step 1: Write the proportion equation
2,428,141.24 : 3,350,883.90 = 1,340,408.44 : x - Step 2: Convert to fraction form
2,428,141.24/3,350,883.90 = 1,340,408.44/x - Step 3: Cross multiply
2,428,141.24x = 3,350,883.90 × 1,340,408.44 - Step 4: Simplify right side
2,428,141.24x = 4,491,553,061,020.12 - Step 5: Solve for x
x = 4,491,553,061,020.12/2,428,141.24 - Step 6: Final answer
x = 1,849,790.69
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1.5x scale
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.