Finding the Fourth Proportional to 2,720,150.87, 4,080,078.63 and 826,744.68
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Solution
The fourth proportional to 2,720,150.87, 4,080,078.63 and 826,744.68 is: 1,240,072.14
Step by Step Solution
- Step 1: Write the proportion equation
2,720,150.87 : 4,080,078.63 = 826,744.68 : x - Step 2: Convert to fraction form
2,720,150.87/4,080,078.63 = 826,744.68/x - Step 3: Cross multiply
2,720,150.87x = 4,080,078.63 × 826,744.68 - Step 4: Simplify right side
2,720,150.87x = 3,373,183,301,334.19 - Step 5: Solve for x
x = 3,373,183,301,334.19/2,720,150.87 - Step 6: Final answer
x = 1,240,072.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.