Home / 2,979,116.80-4,469,258.40-1,273,256.80

Finding the Fourth Proportional to 2,979,116.80, 4,469,258.40 and 1,273,256.80

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Solution

The fourth proportional to 2,979,116.80, 4,469,258.40 and 1,273,256.80 is: 1,910,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,116.80 : 4,469,258.40 = 1,273,256.80 : x
  2. Step 2: Convert to fraction form
    2,979,116.80/4,469,258.40 = 1,273,256.80/x
  3. Step 3: Cross multiply
    2,979,116.80x = 4,469,258.40 × 1,273,256.80
  4. Step 4: Simplify right side
    2,979,116.80x = 5,690,513,648,757.12
  5. Step 5: Solve for x
    x = 5,690,513,648,757.12/2,979,116.80
  6. Step 6: Final answer
    x = 1,910,134.46

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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.