Home / 2,455,221.78-3,388,311.20-1,367,493.64

Finding the Fourth Proportional to 2,455,221.78, 3,388,311.20 and 1,367,493.64

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Solution

The fourth proportional to 2,455,221.78, 3,388,311.20 and 1,367,493.64 is: 1,887,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,221.78 : 3,388,311.20 = 1,367,493.64 : x
  2. Step 2: Convert to fraction form
    2,455,221.78/3,388,311.20 = 1,367,493.64/x
  3. Step 3: Cross multiply
    2,455,221.78x = 3,388,311.20 × 1,367,493.64
  4. Step 4: Simplify right side
    2,455,221.78x = 4,633,494,011,288.72
  5. Step 5: Solve for x
    x = 4,633,494,011,288.72/2,455,221.78
  6. Step 6: Final answer
    x = 1,887,199.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.