Home / 2,194,091.72-3,291,223.80-677,639.56

Finding the Fourth Proportional to 2,194,091.72, 3,291,223.80 and 677,639.56

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Solution

The fourth proportional to 2,194,091.72, 3,291,223.80 and 677,639.56 is: 1,016,485.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194,091.72 : 3,291,223.80 = 677,639.56 : x
  2. Step 2: Convert to fraction form
    2,194,091.72/3,291,223.80 = 677,639.56/x
  3. Step 3: Cross multiply
    2,194,091.72x = 3,291,223.80 × 677,639.56
  4. Step 4: Simplify right side
    2,194,091.72x = 2,230,263,447,693.53
  5. Step 5: Solve for x
    x = 2,230,263,447,693.53/2,194,091.72
  6. Step 6: Final answer
    x = 1,016,485.97

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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.