Home / 3,138,383.28-4,322,719.08-2,411,839.92

Finding the Fourth Proportional to 3,138,383.28, 4,322,719.08 and 2,411,839.92

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Solution

The fourth proportional to 3,138,383.28, 4,322,719.08 and 2,411,839.92 is: 3,321,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,383.28 : 4,322,719.08 = 2,411,839.92 : x
  2. Step 2: Convert to fraction form
    3,138,383.28/4,322,719.08 = 2,411,839.92/x
  3. Step 3: Cross multiply
    3,138,383.28x = 4,322,719.08 × 2,411,839.92
  4. Step 4: Simplify right side
    3,138,383.28x = 10,425,706,440,089.67
  5. Step 5: Solve for x
    x = 10,425,706,440,089.67/3,138,383.28
  6. Step 6: Final answer
    x = 3,321,999.10

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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.