Home / 2,667,760.21-3,682,007.84-1,521,840.56

Finding the Fourth Proportional to 2,667,760.21, 3,682,007.84 and 1,521,840.56

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Solution

The fourth proportional to 2,667,760.21, 3,682,007.84 and 1,521,840.56 is: 2,100,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,760.21 : 3,682,007.84 = 1,521,840.56 : x
  2. Step 2: Convert to fraction form
    2,667,760.21/3,682,007.84 = 1,521,840.56/x
  3. Step 3: Cross multiply
    2,667,760.21x = 3,682,007.84 × 1,521,840.56
  4. Step 4: Simplify right side
    2,667,760.21x = 5,603,428,847,130.75
  5. Step 5: Solve for x
    x = 5,603,428,847,130.75/2,667,760.21
  6. Step 6: Final answer
    x = 2,100,424.48

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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.