Finding the Fourth Proportional to 3,759,299.11, 5,187,819.63 and 2,040,419.62
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Solution
The fourth proportional to 3,759,299.11, 5,187,819.63 and 2,040,419.62 is: 2,815,771.94
Step by Step Solution
- Step 1: Write the proportion equation
3,759,299.11 : 5,187,819.63 = 2,040,419.62 : x - Step 2: Convert to fraction form
3,759,299.11/5,187,819.63 = 2,040,419.62/x - Step 3: Cross multiply
3,759,299.11x = 5,187,819.63 × 2,040,419.62 - Step 4: Simplify right side
3,759,299.11x = 10,585,328,958,073.14 - Step 5: Solve for x
x = 10,585,328,958,073.14/3,759,299.11 - Step 6: Final answer
x = 2,815,771.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.