Home / 2,247,140.40-3,363,712.20-1,297,690.80

Finding the Fourth Proportional to 2,247,140.40, 3,363,712.20 and 1,297,690.80

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Solution

The fourth proportional to 2,247,140.40, 3,363,712.20 and 1,297,690.80 is: 1,942,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247,140.40 : 3,363,712.20 = 1,297,690.80 : x
  2. Step 2: Convert to fraction form
    2,247,140.40/3,363,712.20 = 1,297,690.80/x
  3. Step 3: Cross multiply
    2,247,140.40x = 3,363,712.20 × 1,297,690.80
  4. Step 4: Simplify right side
    2,247,140.40x = 4,365,058,375,787.76
  5. Step 5: Solve for x
    x = 4,365,058,375,787.76/2,247,140.40
  6. Step 6: Final answer
    x = 1,942,494.73

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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.