Home / 2,359,147.20-3,540,103.20-863,390.40

Finding the Fourth Proportional to 2,359,147.20, 3,540,103.20 and 863,390.40

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Solution

The fourth proportional to 2,359,147.20, 3,540,103.20 and 863,390.40 is: 1,295,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359,147.20 : 3,540,103.20 = 863,390.40 : x
  2. Step 2: Convert to fraction form
    2,359,147.20/3,540,103.20 = 863,390.40/x
  3. Step 3: Cross multiply
    2,359,147.20x = 3,540,103.20 × 863,390.40
  4. Step 4: Simplify right side
    2,359,147.20x = 3,056,491,117,889.28
  5. Step 5: Solve for x
    x = 3,056,491,117,889.28/2,359,147.20
  6. Step 6: Final answer
    x = 1,295,591.52

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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.