Home / 2,109,934.89-3,164,902.37-512,487.22

Finding the Fourth Proportional to 2,109,934.89, 3,164,902.37 and 512,487.22

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Solution

The fourth proportional to 2,109,934.89, 3,164,902.37 and 512,487.22 is: 768,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,934.89 : 3,164,902.37 = 512,487.22 : x
  2. Step 2: Convert to fraction form
    2,109,934.89/3,164,902.37 = 512,487.22/x
  3. Step 3: Cross multiply
    2,109,934.89x = 3,164,902.37 × 512,487.22
  4. Step 4: Simplify right side
    2,109,934.89x = 1,621,972,002,629.42
  5. Step 5: Solve for x
    x = 1,621,972,002,629.42/2,109,934.89
  6. Step 6: Final answer
    x = 768,730.83

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1.5x scale

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.