Finding the Fourth Proportional to 3,947,394.53, 5,923,453.75 and 3,626,167.97
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Solution
The fourth proportional to 3,947,394.53, 5,923,453.75 and 3,626,167.97 is: 5,441,421.70
Step by Step Solution
- Step 1: Write the proportion equation
3,947,394.53 : 5,923,453.75 = 3,626,167.97 : x - Step 2: Convert to fraction form
3,947,394.53/5,923,453.75 = 3,626,167.97/x - Step 3: Cross multiply
3,947,394.53x = 5,923,453.75 × 3,626,167.97 - Step 4: Simplify right side
3,947,394.53x = 21,479,438,260,026.39 - Step 5: Solve for x
x = 21,479,438,260,026.39/3,947,394.53 - Step 6: Final answer
x = 5,441,421.70
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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.