Home / 2,979,023.72-4,469,199.86-1,085,765.16

Finding the Fourth Proportional to 2,979,023.72, 4,469,199.86 and 1,085,765.16

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Solution

The fourth proportional to 2,979,023.72, 4,469,199.86 and 1,085,765.16 is: 1,628,889.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,023.72 : 4,469,199.86 = 1,085,765.16 : x
  2. Step 2: Convert to fraction form
    2,979,023.72/4,469,199.86 = 1,085,765.16/x
  3. Step 3: Cross multiply
    2,979,023.72x = 4,469,199.86 × 1,085,765.16
  4. Step 4: Simplify right side
    2,979,023.72x = 4,852,501,489,292.11
  5. Step 5: Solve for x
    x = 4,852,501,489,292.11/2,979,023.72
  6. Step 6: Final answer
    x = 1,628,889.85

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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.