Home / 5,343,480.20-8,020,469.10-2,650,845.80

Finding the Fourth Proportional to 5,343,480.20, 8,020,469.10 and 2,650,845.80

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Solution

The fourth proportional to 5,343,480.20, 8,020,469.10 and 2,650,845.80 is: 3,978,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,480.20 : 8,020,469.10 = 2,650,845.80 : x
  2. Step 2: Convert to fraction form
    5,343,480.20/8,020,469.10 = 2,650,845.80/x
  3. Step 3: Cross multiply
    5,343,480.20x = 8,020,469.10 × 2,650,845.80
  4. Step 4: Simplify right side
    5,343,480.20x = 21,261,026,827,764.78
  5. Step 5: Solve for x
    x = 21,261,026,827,764.78/5,343,480.20
  6. Step 6: Final answer
    x = 3,978,872.58

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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.