Home / 6,887,221.20-10,327,145.40-2,893,621.20

Finding the Fourth Proportional to 6,887,221.20, 10,327,145.40 and 2,893,621.20

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Solution

The fourth proportional to 6,887,221.20, 10,327,145.40 and 2,893,621.20 is: 4,338,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,221.20 : 10,327,145.40 = 2,893,621.20 : x
  2. Step 2: Convert to fraction form
    6,887,221.20/10,327,145.40 = 2,893,621.20/x
  3. Step 3: Cross multiply
    6,887,221.20x = 10,327,145.40 × 2,893,621.20
  4. Step 4: Simplify right side
    6,887,221.20x = 29,882,846,864,922.48
  5. Step 5: Solve for x
    x = 29,882,846,864,922.48/6,887,221.20
  6. Step 6: Final answer
    x = 4,338,882.98

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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.