Home / 1,811,107.20-2,718,410.40-1,102,519.20

Finding the Fourth Proportional to 1,811,107.20, 2,718,410.40 and 1,102,519.20

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Solution

The fourth proportional to 1,811,107.20, 2,718,410.40 and 1,102,519.20 is: 1,654,843.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,107.20 : 2,718,410.40 = 1,102,519.20 : x
  2. Step 2: Convert to fraction form
    1,811,107.20/2,718,410.40 = 1,102,519.20/x
  3. Step 3: Cross multiply
    1,811,107.20x = 2,718,410.40 × 1,102,519.20
  4. Step 4: Simplify right side
    1,811,107.20x = 2,997,099,659,479.68
  5. Step 5: Solve for x
    x = 2,997,099,659,479.68/1,811,107.20
  6. Step 6: Final answer
    x = 1,654,843.88

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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.