Home / 3,449,031.90-4,759,771.47-1,979,209.60

Finding the Fourth Proportional to 3,449,031.90, 4,759,771.47 and 1,979,209.60

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Solution

The fourth proportional to 3,449,031.90, 4,759,771.47 and 1,979,209.60 is: 2,731,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449,031.90 : 4,759,771.47 = 1,979,209.60 : x
  2. Step 2: Convert to fraction form
    3,449,031.90/4,759,771.47 = 1,979,209.60/x
  3. Step 3: Cross multiply
    3,449,031.90x = 4,759,771.47 × 1,979,209.60
  4. Step 4: Simplify right side
    3,449,031.90x = 9,420,585,375,330.68
  5. Step 5: Solve for x
    x = 9,420,585,375,330.68/3,449,031.90
  6. Step 6: Final answer
    x = 2,731,370.90

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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.