Home / 3,818,834.29-5,269,984.90-2,187,769.69

Finding the Fourth Proportional to 3,818,834.29, 5,269,984.90 and 2,187,769.69

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Solution

The fourth proportional to 3,818,834.29, 5,269,984.90 and 2,187,769.69 is: 3,019,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,834.29 : 5,269,984.90 = 2,187,769.69 : x
  2. Step 2: Convert to fraction form
    3,818,834.29/5,269,984.90 = 2,187,769.69/x
  3. Step 3: Cross multiply
    3,818,834.29x = 5,269,984.90 × 2,187,769.69
  4. Step 4: Simplify right side
    3,818,834.29x = 11,529,513,230,977.68
  5. Step 5: Solve for x
    x = 11,529,513,230,977.68/3,818,834.29
  6. Step 6: Final answer
    x = 3,019,118.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.