Home / 5,275,760.80-7,913,654.16-1,489,241.92

Finding the Fourth Proportional to 5,275,760.80, 7,913,654.16 and 1,489,241.92

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Solution

The fourth proportional to 5,275,760.80, 7,913,654.16 and 1,489,241.92 is: 2,233,866.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,760.80 : 7,913,654.16 = 1,489,241.92 : x
  2. Step 2: Convert to fraction form
    5,275,760.80/7,913,654.16 = 1,489,241.92/x
  3. Step 3: Cross multiply
    5,275,760.80x = 7,913,654.16 × 1,489,241.92
  4. Step 4: Simplify right side
    5,275,760.80x = 11,785,345,515,454.39
  5. Step 5: Solve for x
    x = 11,785,345,515,454.39/5,275,760.80
  6. Step 6: Final answer
    x = 2,233,866.54

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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.