Home / 5,197,868.19-7,170,178.60-3,022,170.88

Finding the Fourth Proportional to 5,197,868.19, 7,170,178.60 and 3,022,170.88

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Solution

The fourth proportional to 5,197,868.19, 7,170,178.60 and 3,022,170.88 is: 4,168,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,868.19 : 7,170,178.60 = 3,022,170.88 : x
  2. Step 2: Convert to fraction form
    5,197,868.19/7,170,178.60 = 3,022,170.88/x
  3. Step 3: Cross multiply
    5,197,868.19x = 7,170,178.60 × 3,022,170.88
  4. Step 4: Simplify right side
    5,197,868.19x = 21,669,504,939,949.54
  5. Step 5: Solve for x
    x = 21,669,504,939,949.54/5,197,868.19
  6. Step 6: Final answer
    x = 4,168,921.60

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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.