Home / 3,987,428.20-5,981,142.30-2,394,903.40

Finding the Fourth Proportional to 3,987,428.20, 5,981,142.30 and 2,394,903.40

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Solution

The fourth proportional to 3,987,428.20, 5,981,142.30 and 2,394,903.40 is: 3,592,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,428.20 : 5,981,142.30 = 2,394,903.40 : x
  2. Step 2: Convert to fraction form
    3,987,428.20/5,981,142.30 = 2,394,903.40/x
  3. Step 3: Cross multiply
    3,987,428.20x = 5,981,142.30 × 2,394,903.40
  4. Step 4: Simplify right side
    3,987,428.20x = 14,324,258,030,153.82
  5. Step 5: Solve for x
    x = 14,324,258,030,153.82/3,987,428.20
  6. Step 6: Final answer
    x = 3,592,355.10

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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.