Home / 3,942,418.10-5,439,508.82-2,309,948.36

Finding the Fourth Proportional to 3,942,418.10, 5,439,508.82 and 2,309,948.36

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Solution

The fourth proportional to 3,942,418.10, 5,439,508.82 and 2,309,948.36 is: 3,187,126.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,418.10 : 5,439,508.82 = 2,309,948.36 : x
  2. Step 2: Convert to fraction form
    3,942,418.10/5,439,508.82 = 2,309,948.36/x
  3. Step 3: Cross multiply
    3,942,418.10x = 5,439,508.82 × 2,309,948.36
  4. Step 4: Simplify right side
    3,942,418.10x = 12,564,984,477,964.54
  5. Step 5: Solve for x
    x = 12,564,984,477,964.54/3,942,418.10
  6. Step 6: Final answer
    x = 3,187,126.32

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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.