Home / 3,991,680.60-5,987,520.90-1,467,007.80

Finding the Fourth Proportional to 3,991,680.60, 5,987,520.90 and 1,467,007.80

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Solution

The fourth proportional to 3,991,680.60, 5,987,520.90 and 1,467,007.80 is: 2,200,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,680.60 : 5,987,520.90 = 1,467,007.80 : x
  2. Step 2: Convert to fraction form
    3,991,680.60/5,987,520.90 = 1,467,007.80/x
  3. Step 3: Cross multiply
    3,991,680.60x = 5,987,520.90 × 1,467,007.80
  4. Step 4: Simplify right side
    3,991,680.60x = 8,783,739,862,963.02
  5. Step 5: Solve for x
    x = 8,783,739,862,963.02/3,991,680.60
  6. Step 6: Final answer
    x = 2,200,511.70

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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.