Finding the Fourth Proportional to 2,491,330.11, 3,438,035.56 and 1,345,410.44
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Solution
The fourth proportional to 2,491,330.11, 3,438,035.56 and 1,345,410.44 is: 1,856,666.41
Step by Step Solution
- Step 1: Write the proportion equation
2,491,330.11 : 3,438,035.56 = 1,345,410.44 : x - Step 2: Convert to fraction form
2,491,330.11/3,438,035.56 = 1,345,410.44/x - Step 3: Cross multiply
2,491,330.11x = 3,438,035.56 × 1,345,410.44 - Step 4: Simplify right side
2,491,330.11x = 4,625,568,935,515.25 - Step 5: Solve for x
x = 4,625,568,935,515.25/2,491,330.11 - Step 6: Final answer
x = 1,856,666.41
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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.