Home / 3,122,891.20-4,684,336.80-993,190.60

Finding the Fourth Proportional to 3,122,891.20, 4,684,336.80 and 993,190.60

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Solution

The fourth proportional to 3,122,891.20, 4,684,336.80 and 993,190.60 is: 1,489,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,891.20 : 4,684,336.80 = 993,190.60 : x
  2. Step 2: Convert to fraction form
    3,122,891.20/4,684,336.80 = 993,190.60/x
  3. Step 3: Cross multiply
    3,122,891.20x = 4,684,336.80 × 993,190.60
  4. Step 4: Simplify right side
    3,122,891.20x = 4,652,439,276,994.08
  5. Step 5: Solve for x
    x = 4,652,439,276,994.08/3,122,891.20
  6. Step 6: Final answer
    x = 1,489,785.90

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Similar ratio
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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.