Home / 3,991,993.21-5,509,003.22-2,273,120.56

Finding the Fourth Proportional to 3,991,993.21, 5,509,003.22 and 2,273,120.56

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Solution

The fourth proportional to 3,991,993.21, 5,509,003.22 and 2,273,120.56 is: 3,136,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,993.21 : 5,509,003.22 = 2,273,120.56 : x
  2. Step 2: Convert to fraction form
    3,991,993.21/5,509,003.22 = 2,273,120.56/x
  3. Step 3: Cross multiply
    3,991,993.21x = 5,509,003.22 × 2,273,120.56
  4. Step 4: Simplify right side
    3,991,993.21x = 12,522,628,484,488.20
  5. Step 5: Solve for x
    x = 12,522,628,484,488.20/3,991,993.21
  6. Step 6: Final answer
    x = 3,136,936.32

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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.