Finding the Fourth Proportional to 2,628,694.80, 3,944,791.80 and 1,491,454.80
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Solution
The fourth proportional to 2,628,694.80, 3,944,791.80 and 1,491,454.80 is: 2,238,174.88
Step by Step Solution
- Step 1: Write the proportion equation
2,628,694.80 : 3,944,791.80 = 1,491,454.80 : x - Step 2: Convert to fraction form
2,628,694.80/3,944,791.80 = 1,491,454.80/x - Step 3: Cross multiply
2,628,694.80x = 3,944,791.80 × 1,491,454.80 - Step 4: Simplify right side
2,628,694.80x = 5,883,478,665,110.64 - Step 5: Solve for x
x = 5,883,478,665,110.64/2,628,694.80 - Step 6: Final answer
x = 2,238,174.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.