Home / 3,846,171.60-5,769,775.80-1,322,600.40

Finding the Fourth Proportional to 3,846,171.60, 5,769,775.80 and 1,322,600.40

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Solution

The fourth proportional to 3,846,171.60, 5,769,775.80 and 1,322,600.40 is: 1,984,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846,171.60 : 5,769,775.80 = 1,322,600.40 : x
  2. Step 2: Convert to fraction form
    3,846,171.60/5,769,775.80 = 1,322,600.40/x
  3. Step 3: Cross multiply
    3,846,171.60x = 5,769,775.80 × 1,322,600.40
  4. Step 4: Simplify right side
    3,846,171.60x = 7,631,107,780,990.32
  5. Step 5: Solve for x
    x = 7,631,107,780,990.32/3,846,171.60
  6. Step 6: Final answer
    x = 1,984,078.86

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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.