Home / 3,889,180.20-5,839,019.10-3,091,362.60

Finding the Fourth Proportional to 3,889,180.20, 5,839,019.10 and 3,091,362.60

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Solution

The fourth proportional to 3,889,180.20, 5,839,019.10 and 3,091,362.60 is: 4,641,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,180.20 : 5,839,019.10 = 3,091,362.60 : x
  2. Step 2: Convert to fraction form
    3,889,180.20/5,839,019.10 = 3,091,362.60/x
  3. Step 3: Cross multiply
    3,889,180.20x = 5,839,019.10 × 3,091,362.60
  4. Step 4: Simplify right side
    3,889,180.20x = 18,050,525,266,425.66
  5. Step 5: Solve for x
    x = 18,050,525,266,425.66/3,889,180.20
  6. Step 6: Final answer
    x = 4,641,215.97

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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.