Home / 3,940,216.24-5,910,659.70-1,243,820.20

Finding the Fourth Proportional to 3,940,216.24, 5,910,659.70 and 1,243,820.20

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Solution

The fourth proportional to 3,940,216.24, 5,910,659.70 and 1,243,820.20 is: 1,865,836.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,216.24 : 5,910,659.70 = 1,243,820.20 : x
  2. Step 2: Convert to fraction form
    3,940,216.24/5,910,659.70 = 1,243,820.20/x
  3. Step 3: Cross multiply
    3,940,216.24x = 5,910,659.70 × 1,243,820.20
  4. Step 4: Simplify right side
    3,940,216.24x = 7,351,797,930,185.94
  5. Step 5: Solve for x
    x = 7,351,797,930,185.94/3,940,216.24
  6. Step 6: Final answer
    x = 1,865,836.16

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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.