Finding the Fourth Proportional to 3,197,765.97, 4,799,136.33 and 2,231,947.21
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Solution
The fourth proportional to 3,197,765.97, 4,799,136.33 and 2,231,947.21 is: 3,349,656.93
Step by Step Solution
- Step 1: Write the proportion equation
3,197,765.97 : 4,799,136.33 = 2,231,947.21 : x - Step 2: Convert to fraction form
3,197,765.97/4,799,136.33 = 2,231,947.21/x - Step 3: Cross multiply
3,197,765.97x = 4,799,136.33 × 2,231,947.21 - Step 4: Simplify right side
3,197,765.97x = 10,711,418,942,153.14 - Step 5: Solve for x
x = 10,711,418,942,153.14/3,197,765.97 - Step 6: Final answer
x = 3,349,656.93
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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.