Home / 2,629,863.10-3,944,794.65-1,212,687.10

Finding the Fourth Proportional to 2,629,863.10, 3,944,794.65 and 1,212,687.10

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Solution

The fourth proportional to 2,629,863.10, 3,944,794.65 and 1,212,687.10 is: 1,819,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,863.10 : 3,944,794.65 = 1,212,687.10 : x
  2. Step 2: Convert to fraction form
    2,629,863.10/3,944,794.65 = 1,212,687.10/x
  3. Step 3: Cross multiply
    2,629,863.10x = 3,944,794.65 × 1,212,687.10
  4. Step 4: Simplify right side
    2,629,863.10x = 4,783,801,584,204.02
  5. Step 5: Solve for x
    x = 4,783,801,584,204.02/2,629,863.10
  6. Step 6: Final answer
    x = 1,819,030.65

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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.