Home / 1,853,019.38-2,775,909.12-1,276,540.97

Finding the Fourth Proportional to 1,853,019.38, 2,775,909.12 and 1,276,540.97

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Solution

The fourth proportional to 1,853,019.38, 2,775,909.12 and 1,276,540.97 is: 1,912,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,019.38 : 2,775,909.12 = 1,276,540.97 : x
  2. Step 2: Convert to fraction form
    1,853,019.38/2,775,909.12 = 1,276,540.97/x
  3. Step 3: Cross multiply
    1,853,019.38x = 2,775,909.12 × 1,276,540.97
  4. Step 4: Simplify right side
    1,853,019.38x = 3,543,561,706,797.10
  5. Step 5: Solve for x
    x = 3,543,561,706,797.10/1,853,019.38
  6. Step 6: Final answer
    x = 1,912,317.68

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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.