Home / 2,109,934.20-3,164,901.34-512,486.53

Finding the Fourth Proportional to 2,109,934.20, 3,164,901.34 and 512,486.53

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Solution

The fourth proportional to 2,109,934.20, 3,164,901.34 and 512,486.53 is: 768,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,934.20 : 3,164,901.34 = 512,486.53 : x
  2. Step 2: Convert to fraction form
    2,109,934.20/3,164,901.34 = 512,486.53/x
  3. Step 3: Cross multiply
    2,109,934.20x = 3,164,901.34 × 512,486.53
  4. Step 4: Simplify right side
    2,109,934.20x = 1,621,969,297,296.39
  5. Step 5: Solve for x
    x = 1,621,969,297,296.39/2,109,934.20
  6. Step 6: Final answer
    x = 768,729.80

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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.