Home / 2,652,820.80-3,979,231.20-658,276.80

Finding the Fourth Proportional to 2,652,820.80, 3,979,231.20 and 658,276.80

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Solution

The fourth proportional to 2,652,820.80, 3,979,231.20 and 658,276.80 is: 987,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,820.80 : 3,979,231.20 = 658,276.80 : x
  2. Step 2: Convert to fraction form
    2,652,820.80/3,979,231.20 = 658,276.80/x
  3. Step 3: Cross multiply
    2,652,820.80x = 3,979,231.20 × 658,276.80
  4. Step 4: Simplify right side
    2,652,820.80x = 2,619,435,580,796.16
  5. Step 5: Solve for x
    x = 2,619,435,580,796.16/2,652,820.80
  6. Step 6: Final answer
    x = 987,415.20

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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.