Finding the Fourth Proportional to 5,783,762.75, 7,981,593.33 and 3,205,609.97
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Solution
The fourth proportional to 5,783,762.75, 7,981,593.33 and 3,205,609.97 is: 4,423,742.17
Step by Step Solution
- Step 1: Write the proportion equation
5,783,762.75 : 7,981,593.33 = 3,205,609.97 : x - Step 2: Convert to fraction form
5,783,762.75/7,981,593.33 = 3,205,609.97/x - Step 3: Cross multiply
5,783,762.75x = 7,981,593.33 × 3,205,609.97 - Step 4: Simplify right side
5,783,762.75x = 25,585,875,155,133.50 - Step 5: Solve for x
x = 25,585,875,155,133.50/5,783,762.75 - Step 6: Final answer
x = 4,423,742.17
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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.