Finding the Fourth Proportional to 3,431,757.49, 4,736,245.34 and 1,981,450.49
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Solution
The fourth proportional to 3,431,757.49, 4,736,245.34 and 1,981,450.49 is: 2,734,644.18
Step by Step Solution
- Step 1: Write the proportion equation
3,431,757.49 : 4,736,245.34 = 1,981,450.49 : x - Step 2: Convert to fraction form
3,431,757.49/4,736,245.34 = 1,981,450.49/x - Step 3: Cross multiply
3,431,757.49x = 4,736,245.34 × 1,981,450.49 - Step 4: Simplify right side
3,431,757.49x = 9,384,635,645,384.06 - Step 5: Solve for x
x = 9,384,635,645,384.06/3,431,757.49 - Step 6: Final answer
x = 2,734,644.18
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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.