Home / 2,125,887.20-3,189,025.20-863,453.60

Finding the Fourth Proportional to 2,125,887.20, 3,189,025.20 and 863,453.60

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Solution

The fourth proportional to 2,125,887.20, 3,189,025.20 and 863,453.60 is: 1,295,259.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,887.20 : 3,189,025.20 = 863,453.60 : x
  2. Step 2: Convert to fraction form
    2,125,887.20/3,189,025.20 = 863,453.60/x
  3. Step 3: Cross multiply
    2,125,887.20x = 3,189,025.20 × 863,453.60
  4. Step 4: Simplify right side
    2,125,887.20x = 2,753,575,289,430.72
  5. Step 5: Solve for x
    x = 2,753,575,289,430.72/2,125,887.20
  6. Step 6: Final answer
    x = 1,295,259.36

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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.