Finding the Fourth Proportional to 3,769,318.62, 5,201,763.24 and 2,115,568.56
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Solution
The fourth proportional to 3,769,318.62, 5,201,763.24 and 2,115,568.56 is: 2,919,542.73
Step by Step Solution
- Step 1: Write the proportion equation
3,769,318.62 : 5,201,763.24 = 2,115,568.56 : x - Step 2: Convert to fraction form
3,769,318.62/5,201,763.24 = 2,115,568.56/x - Step 3: Cross multiply
3,769,318.62x = 5,201,763.24 × 2,115,568.56 - Step 4: Simplify right side
3,769,318.62x = 11,004,686,767,107.73 - Step 5: Solve for x
x = 11,004,686,767,107.73/3,769,318.62 - Step 6: Final answer
x = 2,919,542.73
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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.