Home / 3,839,173.87-5,298,027.45-2,120,257.48

Finding the Fourth Proportional to 3,839,173.87, 5,298,027.45 and 2,120,257.48

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Solution

The fourth proportional to 3,839,173.87, 5,298,027.45 and 2,120,257.48 is: 2,925,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,173.87 : 5,298,027.45 = 2,120,257.48 : x
  2. Step 2: Convert to fraction form
    3,839,173.87/5,298,027.45 = 2,120,257.48/x
  3. Step 3: Cross multiply
    3,839,173.87x = 5,298,027.45 × 2,120,257.48
  4. Step 4: Simplify right side
    3,839,173.87x = 11,233,182,321,834.56
  5. Step 5: Solve for x
    x = 11,233,182,321,834.56/3,839,173.87
  6. Step 6: Final answer
    x = 2,925,937.38

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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.