Home / 2,138,843.60-3,208,265.40-1,383,016.40

Finding the Fourth Proportional to 2,138,843.60, 3,208,265.40 and 1,383,016.40

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Solution

The fourth proportional to 2,138,843.60, 3,208,265.40 and 1,383,016.40 is: 2,074,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,843.60 : 3,208,265.40 = 1,383,016.40 : x
  2. Step 2: Convert to fraction form
    2,138,843.60/3,208,265.40 = 1,383,016.40/x
  3. Step 3: Cross multiply
    2,138,843.60x = 3,208,265.40 × 1,383,016.40
  4. Step 4: Simplify right side
    2,138,843.60x = 4,437,083,663,752.56
  5. Step 5: Solve for x
    x = 4,437,083,663,752.56/2,138,843.60
  6. Step 6: Final answer
    x = 2,074,524.60

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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.