Home / 4,867,584.80-7,287,380.40-2,978,016.80

Finding the Fourth Proportional to 4,867,584.80, 7,287,380.40 and 2,978,016.80

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Solution

The fourth proportional to 4,867,584.80, 7,287,380.40 and 2,978,016.80 is: 4,458,461.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867,584.80 : 7,287,380.40 = 2,978,016.80 : x
  2. Step 2: Convert to fraction form
    4,867,584.80/7,287,380.40 = 2,978,016.80/x
  3. Step 3: Cross multiply
    4,867,584.80x = 7,287,380.40 × 2,978,016.80
  4. Step 4: Simplify right side
    4,867,584.80x = 21,701,941,259,190.72
  5. Step 5: Solve for x
    x = 21,701,941,259,190.72/4,867,584.80
  6. Step 6: Final answer
    x = 4,458,461.88

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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.