Home / 2,281,020.39-3,422,290.64-764,853.21

Finding the Fourth Proportional to 2,281,020.39, 3,422,290.64 and 764,853.21

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Solution

The fourth proportional to 2,281,020.39, 3,422,290.64 and 764,853.21 is: 1,147,534.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,020.39 : 3,422,290.64 = 764,853.21 : x
  2. Step 2: Convert to fraction form
    2,281,020.39/3,422,290.64 = 764,853.21/x
  3. Step 3: Cross multiply
    2,281,020.39x = 3,422,290.64 × 764,853.21
  4. Step 4: Simplify right side
    2,281,020.39x = 2,617,549,977,732.69
  5. Step 5: Solve for x
    x = 2,617,549,977,732.69/2,281,020.39
  6. Step 6: Final answer
    x = 1,147,534.67

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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.