Home / 2,112,202.32-3,166,631.64-764,154.96

Finding the Fourth Proportional to 2,112,202.32, 3,166,631.64 and 764,154.96

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Solution

The fourth proportional to 2,112,202.32, 3,166,631.64 and 764,154.96 is: 1,145,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,202.32 : 3,166,631.64 = 764,154.96 : x
  2. Step 2: Convert to fraction form
    2,112,202.32/3,166,631.64 = 764,154.96/x
  3. Step 3: Cross multiply
    2,112,202.32x = 3,166,631.64 × 764,154.96
  4. Step 4: Simplify right side
    2,112,202.32x = 2,419,797,274,198.93
  5. Step 5: Solve for x
    x = 2,419,797,274,198.93/2,112,202.32
  6. Step 6: Final answer
    x = 1,145,627.60

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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.