Home / 2,381,984.20-3,287,158.21-1,294,255.78

Finding the Fourth Proportional to 2,381,984.20, 3,287,158.21 and 1,294,255.78

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Solution

The fourth proportional to 2,381,984.20, 3,287,158.21 and 1,294,255.78 is: 1,786,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,984.20 : 3,287,158.21 = 1,294,255.78 : x
  2. Step 2: Convert to fraction form
    2,381,984.20/3,287,158.21 = 1,294,255.78/x
  3. Step 3: Cross multiply
    2,381,984.20x = 3,287,158.21 × 1,294,255.78
  4. Step 4: Simplify right side
    2,381,984.20x = 4,254,423,513,066.95
  5. Step 5: Solve for x
    x = 4,254,423,513,066.95/2,381,984.20
  6. Step 6: Final answer
    x = 1,786,083.85

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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.