Finding the Fourth Proportional to 2,732,664.28, 3,770,790.24 and 1,586,520.76
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Solution
The fourth proportional to 2,732,664.28, 3,770,790.24 and 1,586,520.76 is: 2,189,232.33
Step by Step Solution
- Step 1: Write the proportion equation
2,732,664.28 : 3,770,790.24 = 1,586,520.76 : x - Step 2: Convert to fraction form
2,732,664.28/3,770,790.24 = 1,586,520.76/x - Step 3: Cross multiply
2,732,664.28x = 3,770,790.24 × 1,586,520.76 - Step 4: Simplify right side
2,732,664.28x = 5,982,436,997,365.38 - Step 5: Solve for x
x = 5,982,436,997,365.38/2,732,664.28 - Step 6: Final answer
x = 2,189,232.33
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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.