Home / 2,661,844.40-3,992,766.60-742,751.90

Finding the Fourth Proportional to 2,661,844.40, 3,992,766.60 and 742,751.90

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Solution

The fourth proportional to 2,661,844.40, 3,992,766.60 and 742,751.90 is: 1,114,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,844.40 : 3,992,766.60 = 742,751.90 : x
  2. Step 2: Convert to fraction form
    2,661,844.40/3,992,766.60 = 742,751.90/x
  3. Step 3: Cross multiply
    2,661,844.40x = 3,992,766.60 × 742,751.90
  4. Step 4: Simplify right side
    2,661,844.40x = 2,965,634,978,406.54
  5. Step 5: Solve for x
    x = 2,965,634,978,406.54/2,661,844.40
  6. Step 6: Final answer
    x = 1,114,127.85

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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.