Home / 3,839,880.24-5,298,933.12-2,120,963.76

Finding the Fourth Proportional to 3,839,880.24, 5,298,933.12 and 2,120,963.76

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Solution

The fourth proportional to 3,839,880.24, 5,298,933.12 and 2,120,963.76 is: 2,926,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,880.24 : 5,298,933.12 = 2,120,963.76 : x
  2. Step 2: Convert to fraction form
    3,839,880.24/5,298,933.12 = 2,120,963.76/x
  3. Step 3: Cross multiply
    3,839,880.24x = 5,298,933.12 × 2,120,963.76
  4. Step 4: Simplify right side
    3,839,880.24x = 11,238,845,114,183.73
  5. Step 5: Solve for x
    x = 11,238,845,114,183.73/3,839,880.24
  6. Step 6: Final answer
    x = 2,926,873.86

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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.