Finding the Fourth Proportional to 3,198,614.90, 4,790,049.15 and 2,127,859.70
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Solution
The fourth proportional to 3,198,614.90, 4,790,049.15 and 2,127,859.70 is: 3,186,551.95
Step by Step Solution
- Step 1: Write the proportion equation
3,198,614.90 : 4,790,049.15 = 2,127,859.70 : x - Step 2: Convert to fraction form
3,198,614.90/4,790,049.15 = 2,127,859.70/x - Step 3: Cross multiply
3,198,614.90x = 4,790,049.15 × 2,127,859.70 - Step 4: Simplify right side
3,198,614.90x = 10,192,552,547,304.26 - Step 5: Solve for x
x = 10,192,552,547,304.26/3,198,614.90 - Step 6: Final answer
x = 3,186,551.95
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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.