Home / 1,956,107.78-2,933,912.19-757,209.86

Finding the Fourth Proportional to 1,956,107.78, 2,933,912.19 and 757,209.86

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Solution

The fourth proportional to 1,956,107.78, 2,933,912.19 and 757,209.86 is: 1,135,718.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,107.78 : 2,933,912.19 = 757,209.86 : x
  2. Step 2: Convert to fraction form
    1,956,107.78/2,933,912.19 = 757,209.86/x
  3. Step 3: Cross multiply
    1,956,107.78x = 2,933,912.19 × 757,209.86
  4. Step 4: Simplify right side
    1,956,107.78x = 2,221,587,238,642.19
  5. Step 5: Solve for x
    x = 2,221,587,238,642.19/1,956,107.78
  6. Step 6: Final answer
    x = 1,135,718.22

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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.