Home / 2,267,408.70-3,128,791.86-1,396,105.20

Finding the Fourth Proportional to 2,267,408.70, 3,128,791.86 and 1,396,105.20

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Solution

The fourth proportional to 2,267,408.70, 3,128,791.86 and 1,396,105.20 is: 1,926,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267,408.70 : 3,128,791.86 = 1,396,105.20 : x
  2. Step 2: Convert to fraction form
    2,267,408.70/3,128,791.86 = 1,396,105.20/x
  3. Step 3: Cross multiply
    2,267,408.70x = 3,128,791.86 × 1,396,105.20
  4. Step 4: Simplify right side
    2,267,408.70x = 4,368,122,585,463.67
  5. Step 5: Solve for x
    x = 4,368,122,585,463.67/2,267,408.70
  6. Step 6: Final answer
    x = 1,926,482.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.