Home / 3,840,010.40-5,760,015.60-2,645,616.80

Finding the Fourth Proportional to 3,840,010.40, 5,760,015.60 and 2,645,616.80

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Solution

The fourth proportional to 3,840,010.40, 5,760,015.60 and 2,645,616.80 is: 3,968,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,010.40 : 5,760,015.60 = 2,645,616.80 : x
  2. Step 2: Convert to fraction form
    3,840,010.40/5,760,015.60 = 2,645,616.80/x
  3. Step 3: Cross multiply
    3,840,010.40x = 5,760,015.60 × 2,645,616.80
  4. Step 4: Simplify right side
    3,840,010.40x = 15,238,794,039,622.08
  5. Step 5: Solve for x
    x = 15,238,794,039,622.08/3,840,010.40
  6. Step 6: Final answer
    x = 3,968,425.20

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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.