Home / 3,949,121.83-5,923,912.40-1,109,455.42

Finding the Fourth Proportional to 3,949,121.83, 5,923,912.40 and 1,109,455.42

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Solution

The fourth proportional to 3,949,121.83, 5,923,912.40 and 1,109,455.42 is: 1,664,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,121.83 : 5,923,912.40 = 1,109,455.42 : x
  2. Step 2: Convert to fraction form
    3,949,121.83/5,923,912.40 = 1,109,455.42/x
  3. Step 3: Cross multiply
    3,949,121.83x = 5,923,912.40 × 1,109,455.42
  4. Step 4: Simplify right side
    3,949,121.83x = 6,572,316,719,785.21
  5. Step 5: Solve for x
    x = 6,572,316,719,785.21/3,949,121.83
  6. Step 6: Final answer
    x = 1,664,247.65

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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.