Home / 2,449,913.28-3,380,383.17-1,431,121.20

Finding the Fourth Proportional to 2,449,913.28, 3,380,383.17 and 1,431,121.20

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Solution

The fourth proportional to 2,449,913.28, 3,380,383.17 and 1,431,121.20 is: 1,974,656.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449,913.28 : 3,380,383.17 = 1,431,121.20 : x
  2. Step 2: Convert to fraction form
    2,449,913.28/3,380,383.17 = 1,431,121.20/x
  3. Step 3: Cross multiply
    2,449,913.28x = 3,380,383.17 × 1,431,121.20
  4. Step 4: Simplify right side
    2,449,913.28x = 4,837,738,018,710.20
  5. Step 5: Solve for x
    x = 4,837,738,018,710.20/2,449,913.28
  6. Step 6: Final answer
    x = 1,974,656.84

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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.