Home / 1,542,431.20-2,308,981.20-1,374,469.60

Finding the Fourth Proportional to 1,542,431.20, 2,308,981.20 and 1,374,469.60

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Solution

The fourth proportional to 1,542,431.20, 2,308,981.20 and 1,374,469.60 is: 2,057,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,431.20 : 2,308,981.20 = 1,374,469.60 : x
  2. Step 2: Convert to fraction form
    1,542,431.20/2,308,981.20 = 1,374,469.60/x
  3. Step 3: Cross multiply
    1,542,431.20x = 2,308,981.20 × 1,374,469.60
  4. Step 4: Simplify right side
    1,542,431.20x = 3,173,624,466,371.52
  5. Step 5: Solve for x
    x = 3,173,624,466,371.52/1,542,431.20
  6. Step 6: Final answer
    x = 2,057,546.86

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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.