Finding the Fourth Proportional to 3,759,163.97, 5,187,651.28 and 2,040,284.70
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Solution
The fourth proportional to 3,759,163.97, 5,187,651.28 and 2,040,284.70 is: 2,815,595.60
Step by Step Solution
- Step 1: Write the proportion equation
3,759,163.97 : 5,187,651.28 = 2,040,284.70 : x - Step 2: Convert to fraction form
3,759,163.97/5,187,651.28 = 2,040,284.70/x - Step 3: Cross multiply
3,759,163.97x = 5,187,651.28 × 2,040,284.70 - Step 4: Simplify right side
3,759,163.97x = 10,584,285,530,418.70 - Step 5: Solve for x
x = 10,584,285,530,418.70/3,759,163.97 - Step 6: Final answer
x = 2,815,595.60
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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.