Home / 3,878,247.57-5,351,808.97-2,223,208.16

Finding the Fourth Proportional to 3,878,247.57, 5,351,808.97 and 2,223,208.16

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Solution

The fourth proportional to 3,878,247.57, 5,351,808.97 and 2,223,208.16 is: 3,067,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,247.57 : 5,351,808.97 = 2,223,208.16 : x
  2. Step 2: Convert to fraction form
    3,878,247.57/5,351,808.97 = 2,223,208.16/x
  3. Step 3: Cross multiply
    3,878,247.57x = 5,351,808.97 × 2,223,208.16
  4. Step 4: Simplify right side
    3,878,247.57x = 11,898,185,372,865.20
  5. Step 5: Solve for x
    x = 11,898,185,372,865.20/3,878,247.57
  6. Step 6: Final answer
    x = 3,067,928.27

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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.