Home / 2,135,425.20-3,210,136.20-1,508,679.60

Finding the Fourth Proportional to 2,135,425.20, 3,210,136.20 and 1,508,679.60

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Solution

The fourth proportional to 2,135,425.20, 3,210,136.20 and 1,508,679.60 is: 2,267,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,425.20 : 3,210,136.20 = 1,508,679.60 : x
  2. Step 2: Convert to fraction form
    2,135,425.20/3,210,136.20 = 1,508,679.60/x
  3. Step 3: Cross multiply
    2,135,425.20x = 3,210,136.20 × 1,508,679.60
  4. Step 4: Simplify right side
    2,135,425.20x = 4,843,066,998,161.52
  5. Step 5: Solve for x
    x = 4,843,066,998,161.52/2,135,425.20
  6. Step 6: Final answer
    x = 2,267,963.78

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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.