Finding the Fourth Proportional to 2,491,257.78, 3,437,935.68 and 1,345,338.12
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Solution
The fourth proportional to 2,491,257.78, 3,437,935.68 and 1,345,338.12 is: 1,856,566.58
Step by Step Solution
- Step 1: Write the proportion equation
2,491,257.78 : 3,437,935.68 = 1,345,338.12 : x - Step 2: Convert to fraction form
2,491,257.78/3,437,935.68 = 1,345,338.12/x - Step 3: Cross multiply
2,491,257.78x = 3,437,935.68 × 1,345,338.12 - Step 4: Simplify right side
2,491,257.78x = 4,625,185,924,412.12 - Step 5: Solve for x
x = 4,625,185,924,412.12/2,491,257.78 - Step 6: Final answer
x = 1,856,566.58
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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.