Home / 2,620,512.30-3,929,439.15-1,199,351.10

Finding the Fourth Proportional to 2,620,512.30, 3,929,439.15 and 1,199,351.10

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Solution

The fourth proportional to 2,620,512.30, 3,929,439.15 and 1,199,351.10 is: 1,798,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,512.30 : 3,929,439.15 = 1,199,351.10 : x
  2. Step 2: Convert to fraction form
    2,620,512.30/3,929,439.15 = 1,199,351.10/x
  3. Step 3: Cross multiply
    2,620,512.30x = 3,929,439.15 × 1,199,351.10
  4. Step 4: Simplify right side
    2,620,512.30x = 4,712,777,166,935.57
  5. Step 5: Solve for x
    x = 4,712,777,166,935.57/2,620,512.30
  6. Step 6: Final answer
    x = 1,798,418.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.