Finding the Fourth Proportional to 2,720,371.15, 4,080,785.16 and 827,128.99
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Solution
The fourth proportional to 2,720,371.15, 4,080,785.16 and 827,128.99 is: 1,240,762.94
Step by Step Solution
- Step 1: Write the proportion equation
2,720,371.15 : 4,080,785.16 = 827,128.99 : x - Step 2: Convert to fraction form
2,720,371.15/4,080,785.16 = 827,128.99/x - Step 3: Cross multiply
2,720,371.15x = 4,080,785.16 × 827,128.99 - Step 4: Simplify right side
2,720,371.15x = 3,375,335,707,797.79 - Step 5: Solve for x
x = 3,375,335,707,797.79/2,720,371.15 - Step 6: Final answer
x = 1,240,762.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.