Home / 2,247,130.40-3,363,697.20-1,297,680.80

Finding the Fourth Proportional to 2,247,130.40, 3,363,697.20 and 1,297,680.80

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Solution

The fourth proportional to 2,247,130.40, 3,363,697.20 and 1,297,680.80 is: 1,942,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247,130.40 : 3,363,697.20 = 1,297,680.80 : x
  2. Step 2: Convert to fraction form
    2,247,130.40/3,363,697.20 = 1,297,680.80/x
  3. Step 3: Cross multiply
    2,247,130.40x = 3,363,697.20 × 1,297,680.80
  4. Step 4: Simplify right side
    2,247,130.40x = 4,365,005,273,453.76
  5. Step 5: Solve for x
    x = 4,365,005,273,453.76/2,247,130.40
  6. Step 6: Final answer
    x = 1,942,479.74

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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.