Home / 2,078,505.20-3,118,195.20-658,704.80

Finding the Fourth Proportional to 2,078,505.20, 3,118,195.20 and 658,704.80

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Solution

The fourth proportional to 2,078,505.20, 3,118,195.20 and 658,704.80 is: 988,195.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,505.20 : 3,118,195.20 = 658,704.80 : x
  2. Step 2: Convert to fraction form
    2,078,505.20/3,118,195.20 = 658,704.80/x
  3. Step 3: Cross multiply
    2,078,505.20x = 3,118,195.20 × 658,704.80
  4. Step 4: Simplify right side
    2,078,505.20x = 2,053,970,145,576.96
  5. Step 5: Solve for x
    x = 2,053,970,145,576.96/2,078,505.20
  6. Step 6: Final answer
    x = 988,195.82

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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.