Home / 3,941,973-5,439,930.12-2,131,137

Finding the Fourth Proportional to 3,941,973, 5,439,930.12 and 2,131,137

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Solution

The fourth proportional to 3,941,973, 5,439,930.12 and 2,131,137 is: 2,940,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,973 : 5,439,930.12 = 2,131,137 : x
  2. Step 2: Convert to fraction form
    3,941,973/5,439,930.12 = 2,131,137/x
  3. Step 3: Cross multiply
    3,941,973x = 5,439,930.12 × 2,131,137
  4. Step 4: Simplify right side
    3,941,973x = 11,593,236,356,146.44
  5. Step 5: Solve for x
    x = 11,593,236,356,146.44/3,941,973
  6. Step 6: Final answer
    x = 2,940,973.05

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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.