Home / 2,132,419.20-3,205,627.20-1,505,673.60

Finding the Fourth Proportional to 2,132,419.20, 3,205,627.20 and 1,505,673.60

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Solution

The fourth proportional to 2,132,419.20, 3,205,627.20 and 1,505,673.60 is: 2,263,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,419.20 : 3,205,627.20 = 1,505,673.60 : x
  2. Step 2: Convert to fraction form
    2,132,419.20/3,205,627.20 = 1,505,673.60/x
  3. Step 3: Cross multiply
    2,132,419.20x = 3,205,627.20 × 1,505,673.60
  4. Step 4: Simplify right side
    2,132,419.20x = 4,826,628,246,481.92
  5. Step 5: Solve for x
    x = 4,826,628,246,481.92/2,132,419.20
  6. Step 6: Final answer
    x = 2,263,451.88

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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.