Finding the Fourth Proportional to 2,220,921.14, 3,332,708.91 and 2,040,231.20
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Solution
The fourth proportional to 2,220,921.14, 3,332,708.91 and 2,040,231.20 is: 3,061,566.02
Step by Step Solution
- Step 1: Write the proportion equation
2,220,921.14 : 3,332,708.91 = 2,040,231.20 : x - Step 2: Convert to fraction form
2,220,921.14/3,332,708.91 = 2,040,231.20/x - Step 3: Cross multiply
2,220,921.14x = 3,332,708.91 × 2,040,231.20 - Step 4: Simplify right side
2,220,921.14x = 6,799,496,682,036.45 - Step 5: Solve for x
x = 6,799,496,682,036.45/2,220,921.14 - Step 6: Final answer
x = 3,061,566.02
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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.