Home / 2,109,937.21-3,164,905.85-512,489.53

Finding the Fourth Proportional to 2,109,937.21, 3,164,905.85 and 512,489.53

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Solution

The fourth proportional to 2,109,937.21, 3,164,905.85 and 512,489.53 is: 768,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,937.21 : 3,164,905.85 = 512,489.53 : x
  2. Step 2: Convert to fraction form
    2,109,937.21/3,164,905.85 = 512,489.53/x
  3. Step 3: Cross multiply
    2,109,937.21x = 3,164,905.85 × 512,489.53
  4. Step 4: Simplify right side
    2,109,937.21x = 1,621,981,101,086.04
  5. Step 5: Solve for x
    x = 1,621,981,101,086.04/2,109,937.21
  6. Step 6: Final answer
    x = 768,734.30

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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.