Home / 1,847,131.20-2,766,031.20-1,212,609.60

Finding the Fourth Proportional to 1,847,131.20, 2,766,031.20 and 1,212,609.60

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Solution

The fourth proportional to 1,847,131.20, 2,766,031.20 and 1,212,609.60 is: 1,815,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847,131.20 : 2,766,031.20 = 1,212,609.60 : x
  2. Step 2: Convert to fraction form
    1,847,131.20/2,766,031.20 = 1,212,609.60/x
  3. Step 3: Cross multiply
    1,847,131.20x = 2,766,031.20 × 1,212,609.60
  4. Step 4: Simplify right side
    1,847,131.20x = 3,354,115,987,019.52
  5. Step 5: Solve for x
    x = 3,354,115,987,019.52/1,847,131.20
  6. Step 6: Final answer
    x = 1,815,851.51

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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.