Home / 3,122,890.20-4,684,335.30-993,189.60

Finding the Fourth Proportional to 3,122,890.20, 4,684,335.30 and 993,189.60

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Solution

The fourth proportional to 3,122,890.20, 4,684,335.30 and 993,189.60 is: 1,489,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,890.20 : 4,684,335.30 = 993,189.60 : x
  2. Step 2: Convert to fraction form
    3,122,890.20/4,684,335.30 = 993,189.60/x
  3. Step 3: Cross multiply
    3,122,890.20x = 4,684,335.30 × 993,189.60
  4. Step 4: Simplify right side
    3,122,890.20x = 4,652,433,102,872.88
  5. Step 5: Solve for x
    x = 4,652,433,102,872.88/3,122,890.20
  6. Step 6: Final answer
    x = 1,489,784.40

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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.