Finding the Fourth Proportional to 2,491,317.44, 3,438,017.98 and 1,345,397.68
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Solution
The fourth proportional to 2,491,317.44, 3,438,017.98 and 1,345,397.68 is: 1,856,648.75
Step by Step Solution
- Step 1: Write the proportion equation
2,491,317.44 : 3,438,017.98 = 1,345,397.68 : x - Step 2: Convert to fraction form
2,491,317.44/3,438,017.98 = 1,345,397.68/x - Step 3: Cross multiply
2,491,317.44x = 3,438,017.98 × 1,345,397.68 - Step 4: Simplify right side
2,491,317.44x = 4,625,501,414,090.29 - Step 5: Solve for x
x = 4,625,501,414,090.29/2,491,317.44 - Step 6: Final answer
x = 1,856,648.75
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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.