Home / 2,979,935.40-4,469,903.10-1,086,738.60

Finding the Fourth Proportional to 2,979,935.40, 4,469,903.10 and 1,086,738.60

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Solution

The fourth proportional to 2,979,935.40, 4,469,903.10 and 1,086,738.60 is: 1,630,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,935.40 : 4,469,903.10 = 1,086,738.60 : x
  2. Step 2: Convert to fraction form
    2,979,935.40/4,469,903.10 = 1,086,738.60/x
  3. Step 3: Cross multiply
    2,979,935.40x = 4,469,903.10 × 1,086,738.60
  4. Step 4: Simplify right side
    2,979,935.40x = 4,857,616,237,029.66
  5. Step 5: Solve for x
    x = 4,857,616,237,029.66/2,979,935.40
  6. Step 6: Final answer
    x = 1,630,107.90

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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.