Finding the Fourth Proportional to 3,286,873.31, 4,930,310.06 and 890,717.85
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Solution
The fourth proportional to 3,286,873.31, 4,930,310.06 and 890,717.85 is: 1,336,076.80
Step by Step Solution
- Step 1: Write the proportion equation
3,286,873.31 : 4,930,310.06 = 890,717.85 : x - Step 2: Convert to fraction form
3,286,873.31/4,930,310.06 = 890,717.85/x - Step 3: Cross multiply
3,286,873.31x = 4,930,310.06 × 890,717.85 - Step 4: Simplify right side
3,286,873.31x = 4,391,515,172,022.98 - Step 5: Solve for x
x = 4,391,515,172,022.98/3,286,873.31 - Step 6: Final answer
x = 1,336,076.80
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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.