Home / 2,128,236.60-3,193,910.10-1,498,380.60

Finding the Fourth Proportional to 2,128,236.60, 3,193,910.10 and 1,498,380.60

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Solution

The fourth proportional to 2,128,236.60, 3,193,910.10 and 1,498,380.60 is: 2,248,665.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,236.60 : 3,193,910.10 = 1,498,380.60 : x
  2. Step 2: Convert to fraction form
    2,128,236.60/3,193,910.10 = 1,498,380.60/x
  3. Step 3: Cross multiply
    2,128,236.60x = 3,193,910.10 × 1,498,380.60
  4. Step 4: Simplify right side
    2,128,236.60x = 4,785,692,931,984.06
  5. Step 5: Solve for x
    x = 4,785,692,931,984.06/2,128,236.60
  6. Step 6: Final answer
    x = 2,248,665.84

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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.