Finding the Fourth Proportional to 5,783,761.75, 7,981,591.95 and 3,205,608.97
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Solution
The fourth proportional to 5,783,761.75, 7,981,591.95 and 3,205,608.97 is: 4,423,740.79
Step by Step Solution
- Step 1: Write the proportion equation
5,783,761.75 : 7,981,591.95 = 3,205,608.97 : x - Step 2: Convert to fraction form
5,783,761.75/7,981,591.95 = 3,205,608.97/x - Step 3: Cross multiply
5,783,761.75x = 7,981,591.95 × 3,205,608.97 - Step 4: Simplify right side
5,783,761.75x = 25,585,862,749,799.79 - Step 5: Solve for x
x = 25,585,862,749,799.79/5,783,761.75 - Step 6: Final answer
x = 4,423,740.79
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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.