Home / 2,167,797.71-2,991,342.85-1,200,747.32

Finding the Fourth Proportional to 2,167,797.71, 2,991,342.85 and 1,200,747.32

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Solution

The fourth proportional to 2,167,797.71, 2,991,342.85 and 1,200,747.32 is: 1,656,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,797.71 : 2,991,342.85 = 1,200,747.32 : x
  2. Step 2: Convert to fraction form
    2,167,797.71/2,991,342.85 = 1,200,747.32/x
  3. Step 3: Cross multiply
    2,167,797.71x = 2,991,342.85 × 1,200,747.32
  4. Step 4: Simplify right side
    2,167,797.71x = 3,591,846,903,597.62
  5. Step 5: Solve for x
    x = 3,591,846,903,597.62/2,167,797.71
  6. Step 6: Final answer
    x = 1,656,910.55

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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.