Home / 2,720,646.89-4,081,005.33-801,121.65

Finding the Fourth Proportional to 2,720,646.89, 4,081,005.33 and 801,121.65

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Solution

The fourth proportional to 2,720,646.89, 4,081,005.33 and 801,121.65 is: 1,201,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,646.89 : 4,081,005.33 = 801,121.65 : x
  2. Step 2: Convert to fraction form
    2,720,646.89/4,081,005.33 = 801,121.65/x
  3. Step 3: Cross multiply
    2,720,646.89x = 4,081,005.33 × 801,121.65
  4. Step 4: Simplify right side
    2,720,646.89x = 3,269,381,723,628.39
  5. Step 5: Solve for x
    x = 3,269,381,723,628.39/2,720,646.89
  6. Step 6: Final answer
    x = 1,201,692.78

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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.