Finding the Fourth Proportional to 3,890,944.11, 5,330,568.60 and 3,745,440.66
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Solution
The fourth proportional to 3,890,944.11, 5,330,568.60 and 3,745,440.66 is: 5,131,229.80
Step by Step Solution
- Step 1: Write the proportion equation
3,890,944.11 : 5,330,568.60 = 3,745,440.66 : x - Step 2: Convert to fraction form
3,890,944.11/5,330,568.60 = 3,745,440.66/x - Step 3: Cross multiply
3,890,944.11x = 5,330,568.60 × 3,745,440.66 - Step 4: Simplify right side
3,890,944.11x = 19,965,328,375,359.28 - Step 5: Solve for x
x = 19,965,328,375,359.28/3,890,944.11 - Step 6: Final answer
x = 5,131,229.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.