Home / 2,105,679.90-3,158,519.85-1,149,086.10

Finding the Fourth Proportional to 2,105,679.90, 3,158,519.85 and 1,149,086.10

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Solution

The fourth proportional to 2,105,679.90, 3,158,519.85 and 1,149,086.10 is: 1,723,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,679.90 : 3,158,519.85 = 1,149,086.10 : x
  2. Step 2: Convert to fraction form
    2,105,679.90/3,158,519.85 = 1,149,086.10/x
  3. Step 3: Cross multiply
    2,105,679.90x = 3,158,519.85 × 1,149,086.10
  4. Step 4: Simplify right side
    2,105,679.90x = 3,629,411,256,209.09
  5. Step 5: Solve for x
    x = 3,629,411,256,209.09/2,105,679.90
  6. Step 6: Final answer
    x = 1,723,629.15

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Double scale
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Similar ratio
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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.