Finding the Fourth Proportional to 2,491,329.11, 3,438,034.18 and 1,345,409.44
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Solution
The fourth proportional to 2,491,329.11, 3,438,034.18 and 1,345,409.44 is: 1,856,665.03
Step by Step Solution
- Step 1: Write the proportion equation
2,491,329.11 : 3,438,034.18 = 1,345,409.44 : x - Step 2: Convert to fraction form
2,491,329.11/3,438,034.18 = 1,345,409.44/x - Step 3: Cross multiply
2,491,329.11x = 3,438,034.18 × 1,345,409.44 - Step 4: Simplify right side
2,491,329.11x = 4,625,563,628,856.05 - Step 5: Solve for x
x = 4,625,563,628,856.05/2,491,329.11 - Step 6: Final answer
x = 1,856,665.03
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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.