Home / 2,164,672.88-2,987,563.85-1,246,723.37

Finding the Fourth Proportional to 2,164,672.88, 2,987,563.85 and 1,246,723.37

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Solution

The fourth proportional to 2,164,672.88, 2,987,563.85 and 1,246,723.37 is: 1,720,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,672.88 : 2,987,563.85 = 1,246,723.37 : x
  2. Step 2: Convert to fraction form
    2,164,672.88/2,987,563.85 = 1,246,723.37/x
  3. Step 3: Cross multiply
    2,164,672.88x = 2,987,563.85 × 1,246,723.37
  4. Step 4: Simplify right side
    2,164,672.88x = 3,724,665,671,162.18
  5. Step 5: Solve for x
    x = 3,724,665,671,162.18/2,164,672.88
  6. Step 6: Final answer
    x = 1,720,659.83

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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.