Home / 2,135,488.40-3,204,010.20-874,221.20

Finding the Fourth Proportional to 2,135,488.40, 3,204,010.20 and 874,221.20

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Solution

The fourth proportional to 2,135,488.40, 3,204,010.20 and 874,221.20 is: 1,311,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,488.40 : 3,204,010.20 = 874,221.20 : x
  2. Step 2: Convert to fraction form
    2,135,488.40/3,204,010.20 = 874,221.20/x
  3. Step 3: Cross multiply
    2,135,488.40x = 3,204,010.20 × 874,221.20
  4. Step 4: Simplify right side
    2,135,488.40x = 2,801,013,641,856.24
  5. Step 5: Solve for x
    x = 2,801,013,641,856.24/2,135,488.40
  6. Step 6: Final answer
    x = 1,311,650.13

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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.