Finding the Fourth Proportional to 2,491,288.99, 3,437,978.78 and 1,345,369.23
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Solution
The fourth proportional to 2,491,288.99, 3,437,978.78 and 1,345,369.23 is: 1,856,609.53
Step by Step Solution
- Step 1: Write the proportion equation
2,491,288.99 : 3,437,978.78 = 1,345,369.23 : x - Step 2: Convert to fraction form
2,491,288.99/3,437,978.78 = 1,345,369.23/x - Step 3: Cross multiply
2,491,288.99x = 3,437,978.78 × 1,345,369.23 - Step 4: Simplify right side
2,491,288.99x = 4,625,350,867,368.36 - Step 5: Solve for x
x = 4,625,350,867,368.36/2,491,288.99 - Step 6: Final answer
x = 1,856,609.53
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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.