Home / 2,189,976-3,284,972.16-673,648.80

Finding the Fourth Proportional to 2,189,976, 3,284,972.16 and 673,648.80

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Solution

The fourth proportional to 2,189,976, 3,284,972.16 and 673,648.80 is: 1,010,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,976 : 3,284,972.16 = 673,648.80 : x
  2. Step 2: Convert to fraction form
    2,189,976/3,284,972.16 = 673,648.80/x
  3. Step 3: Cross multiply
    2,189,976x = 3,284,972.16 × 673,648.80
  4. Step 4: Simplify right side
    2,189,976x = 2,212,917,553,617.41
  5. Step 5: Solve for x
    x = 2,212,917,553,617.41/2,189,976
  6. Step 6: Final answer
    x = 1,010,475.71

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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.