Home / 3,899,309.40-5,380,578.09-2,245,994.22

Finding the Fourth Proportional to 3,899,309.40, 5,380,578.09 and 2,245,994.22

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Solution

The fourth proportional to 3,899,309.40, 5,380,578.09 and 2,245,994.22 is: 3,099,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899,309.40 : 5,380,578.09 = 2,245,994.22 : x
  2. Step 2: Convert to fraction form
    3,899,309.40/5,380,578.09 = 2,245,994.22/x
  3. Step 3: Cross multiply
    3,899,309.40x = 5,380,578.09 × 2,245,994.22
  4. Step 4: Simplify right side
    3,899,309.40x = 12,084,747,310,575.81
  5. Step 5: Solve for x
    x = 12,084,747,310,575.81/3,899,309.40
  6. Step 6: Final answer
    x = 3,099,201.96

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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.