Home / 2,115,455.20-3,173,182.80-2,023,309.60

Finding the Fourth Proportional to 2,115,455.20, 3,173,182.80 and 2,023,309.60

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Solution

The fourth proportional to 2,115,455.20, 3,173,182.80 and 2,023,309.60 is: 3,034,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,455.20 : 3,173,182.80 = 2,023,309.60 : x
  2. Step 2: Convert to fraction form
    2,115,455.20/3,173,182.80 = 2,023,309.60/x
  3. Step 3: Cross multiply
    2,115,455.20x = 3,173,182.80 × 2,023,309.60
  4. Step 4: Simplify right side
    2,115,455.20x = 6,420,331,221,794.88
  5. Step 5: Solve for x
    x = 6,420,331,221,794.88/2,115,455.20
  6. Step 6: Final answer
    x = 3,034,964.40

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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.