Finding the Fourth Proportional to 4,149,817.26, 5,726,791.56 and 2,338,981.26
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Solution
The fourth proportional to 4,149,817.26, 5,726,791.56 and 2,338,981.26 is: 3,227,818.79
Step by Step Solution
- Step 1: Write the proportion equation
4,149,817.26 : 5,726,791.56 = 2,338,981.26 : x - Step 2: Convert to fraction form
4,149,817.26/5,726,791.56 = 2,338,981.26/x - Step 3: Cross multiply
4,149,817.26x = 5,726,791.56 × 2,338,981.26 - Step 4: Simplify right side
4,149,817.26x = 13,394,858,138,766.16 - Step 5: Solve for x
x = 13,394,858,138,766.16/4,149,817.26 - Step 6: Final answer
x = 3,227,818.79
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Double scale
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1.5x scale
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.