Home / 1,847,201.20-2,766,136.20-1,212,679.60

Finding the Fourth Proportional to 1,847,201.20, 2,766,136.20 and 1,212,679.60

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Solution

The fourth proportional to 1,847,201.20, 2,766,136.20 and 1,212,679.60 is: 1,815,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,201.20 : 2,766,136.20 = 1,212,679.60 : x
  2. Step 2: Convert to fraction form
    1,847,201.20/2,766,136.20 = 1,212,679.60/x
  3. Step 3: Cross multiply
    1,847,201.20x = 2,766,136.20 × 1,212,679.60
  4. Step 4: Simplify right side
    1,847,201.20x = 3,354,436,940,561.52
  5. Step 5: Solve for x
    x = 3,354,436,940,561.52/1,847,201.20
  6. Step 6: Final answer
    x = 1,815,956.45

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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.