Finding the Fourth Proportional to 1,609,921.70, 2,414,882.56 and 863,425.70
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Solution
The fourth proportional to 1,609,921.70, 2,414,882.56 and 863,425.70 is: 1,295,138.56
Step by Step Solution
- Step 1: Write the proportion equation
1,609,921.70 : 2,414,882.56 = 863,425.70 : x - Step 2: Convert to fraction form
1,609,921.70/2,414,882.56 = 863,425.70/x - Step 3: Cross multiply
1,609,921.70x = 2,414,882.56 × 863,425.70 - Step 4: Simplify right side
1,609,921.70x = 2,085,071,664,785.79 - Step 5: Solve for x
x = 2,085,071,664,785.79/1,609,921.70 - Step 6: Final answer
x = 1,295,138.56
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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.