Home / 2,659,454.63-3,989,182.03-664,910.63

Finding the Fourth Proportional to 2,659,454.63, 3,989,182.03 and 664,910.63

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Solution

The fourth proportional to 2,659,454.63, 3,989,182.03 and 664,910.63 is: 997,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,454.63 : 3,989,182.03 = 664,910.63 : x
  2. Step 2: Convert to fraction form
    2,659,454.63/3,989,182.03 = 664,910.63/x
  3. Step 3: Cross multiply
    2,659,454.63x = 3,989,182.03 × 664,910.63
  4. Step 4: Simplify right side
    2,659,454.63x = 2,652,449,515,143.79
  5. Step 5: Solve for x
    x = 2,652,449,515,143.79/2,659,454.63
  6. Step 6: Final answer
    x = 997,365.96

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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.