Home / 3,890,104.53-5,367,849.12-2,171,297.49

Finding the Fourth Proportional to 3,890,104.53, 5,367,849.12 and 2,171,297.49

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Solution

The fourth proportional to 3,890,104.53, 5,367,849.12 and 2,171,297.49 is: 2,996,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,104.53 : 5,367,849.12 = 2,171,297.49 : x
  2. Step 2: Convert to fraction form
    3,890,104.53/5,367,849.12 = 2,171,297.49/x
  3. Step 3: Cross multiply
    3,890,104.53x = 5,367,849.12 × 2,171,297.49
  4. Step 4: Simplify right side
    3,890,104.53x = 11,655,197,324,912.65
  5. Step 5: Solve for x
    x = 11,655,197,324,912.65/3,890,104.53
  6. Step 6: Final answer
    x = 2,996,114.17

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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.