Home / 2,120,739.72-3,182,509.26-1,124,167.56

Finding the Fourth Proportional to 2,120,739.72, 3,182,509.26 and 1,124,167.56

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Solution

The fourth proportional to 2,120,739.72, 3,182,509.26 and 1,124,167.56 is: 1,686,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,739.72 : 3,182,509.26 = 1,124,167.56 : x
  2. Step 2: Convert to fraction form
    2,120,739.72/3,182,509.26 = 1,124,167.56/x
  3. Step 3: Cross multiply
    2,120,739.72x = 3,182,509.26 × 1,124,167.56
  4. Step 4: Simplify right side
    2,120,739.72x = 3,577,673,669,491.61
  5. Step 5: Solve for x
    x = 3,577,673,669,491.61/2,120,739.72
  6. Step 6: Final answer
    x = 1,686,993.29

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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.