Finding the Fourth Proportional to 2,258,680.70, 3,387,585.87 and 639,437.18
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Solution
The fourth proportional to 2,258,680.70, 3,387,585.87 and 639,437.18 is: 959,032.56
Step by Step Solution
- Step 1: Write the proportion equation
2,258,680.70 : 3,387,585.87 = 639,437.18 : x - Step 2: Convert to fraction form
2,258,680.70/3,387,585.87 = 639,437.18/x - Step 3: Cross multiply
2,258,680.70x = 3,387,585.87 × 639,437.18 - Step 4: Simplify right side
2,258,680.70x = 2,166,148,338,782.72 - Step 5: Solve for x
x = 2,166,148,338,782.72/2,258,680.70 - Step 6: Final answer
x = 959,032.56
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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.