Home / 2,275,961.82-3,141,044.45-1,243,626.54

Finding the Fourth Proportional to 2,275,961.82, 3,141,044.45 and 1,243,626.54

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Solution

The fourth proportional to 2,275,961.82, 3,141,044.45 and 1,243,626.54 is: 1,716,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,961.82 : 3,141,044.45 = 1,243,626.54 : x
  2. Step 2: Convert to fraction form
    2,275,961.82/3,141,044.45 = 1,243,626.54/x
  3. Step 3: Cross multiply
    2,275,961.82x = 3,141,044.45 × 1,243,626.54
  4. Step 4: Simplify right side
    2,275,961.82x = 3,906,286,241,339.70
  5. Step 5: Solve for x
    x = 3,906,286,241,339.70/2,275,961.82
  6. Step 6: Final answer
    x = 1,716,323.27

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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.