Finding the Fourth Proportional to 3,631,320.38, 5,011,060.48 and 2,081,470.97
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Solution
The fourth proportional to 3,631,320.38, 5,011,060.48 and 2,081,470.97 is: 2,872,337.28
Step by Step Solution
- Step 1: Write the proportion equation
3,631,320.38 : 5,011,060.48 = 2,081,470.97 : x - Step 2: Convert to fraction form
3,631,320.38/5,011,060.48 = 2,081,470.97/x - Step 3: Cross multiply
3,631,320.38x = 5,011,060.48 × 2,081,470.97 - Step 4: Simplify right side
3,631,320.38x = 10,430,376,889,256.38 - Step 5: Solve for x
x = 10,430,376,889,256.38/3,631,320.38 - Step 6: Final answer
x = 2,872,337.28
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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.