Finding the Fourth Proportional to 2,941,785.54, 4,059,837.45 and 2,215,351.62
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Solution
The fourth proportional to 2,941,785.54, 4,059,837.45 and 2,215,351.62 is: 3,057,315.82
Step by Step Solution
- Step 1: Write the proportion equation
2,941,785.54 : 4,059,837.45 = 2,215,351.62 : x - Step 2: Convert to fraction form
2,941,785.54/4,059,837.45 = 2,215,351.62/x - Step 3: Cross multiply
2,941,785.54x = 4,059,837.45 × 2,215,351.62 - Step 4: Simplify right side
2,941,785.54x = 8,993,967,471,794.17 - Step 5: Solve for x
x = 8,993,967,471,794.17/2,941,785.54 - Step 6: Final answer
x = 3,057,315.82
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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.