Finding the Fourth Proportional to 1,431,107.66, 2,147,048.67 and 484,478.48
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Solution
The fourth proportional to 1,431,107.66, 2,147,048.67 and 484,478.48 is: 726,848.79
Step by Step Solution
- Step 1: Write the proportion equation
1,431,107.66 : 2,147,048.67 = 484,478.48 : x - Step 2: Convert to fraction form
1,431,107.66/2,147,048.67 = 484,478.48/x - Step 3: Cross multiply
1,431,107.66x = 2,147,048.67 × 484,478.48 - Step 4: Simplify right side
1,431,107.66x = 1,040,198,876,127.62 - Step 5: Solve for x
x = 1,040,198,876,127.62/1,431,107.66 - Step 6: Final answer
x = 726,848.79
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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.