Home / 3,109,220.32-4,663,997.42-979,471.12

Finding the Fourth Proportional to 3,109,220.32, 4,663,997.42 and 979,471.12

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Solution

The fourth proportional to 3,109,220.32, 4,663,997.42 and 979,471.12 is: 1,469,259.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,220.32 : 4,663,997.42 = 979,471.12 : x
  2. Step 2: Convert to fraction form
    3,109,220.32/4,663,997.42 = 979,471.12/x
  3. Step 3: Cross multiply
    3,109,220.32x = 4,663,997.42 × 979,471.12
  4. Step 4: Simplify right side
    3,109,220.32x = 4,568,250,776,644.51
  5. Step 5: Solve for x
    x = 4,568,250,776,644.51/3,109,220.32
  6. Step 6: Final answer
    x = 1,469,259.27

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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.