Home / 2,206,027.83-3,309,044.34-689,718.72

Finding the Fourth Proportional to 2,206,027.83, 3,309,044.34 and 689,718.72

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Solution

The fourth proportional to 2,206,027.83, 3,309,044.34 and 689,718.72 is: 1,034,578.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,027.83 : 3,309,044.34 = 689,718.72 : x
  2. Step 2: Convert to fraction form
    2,206,027.83/3,309,044.34 = 689,718.72/x
  3. Step 3: Cross multiply
    2,206,027.83x = 3,309,044.34 × 689,718.72
  4. Step 4: Simplify right side
    2,206,027.83x = 2,282,309,826,608.04
  5. Step 5: Solve for x
    x = 2,282,309,826,608.04/2,206,027.83
  6. Step 6: Final answer
    x = 1,034,578.89

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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.