Home / 2,112,203.96-3,166,906.07-764,191.14

Finding the Fourth Proportional to 2,112,203.96, 3,166,906.07 and 764,191.14

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Solution

The fourth proportional to 2,112,203.96, 3,166,906.07 and 764,191.14 is: 1,145,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,203.96 : 3,166,906.07 = 764,191.14 : x
  2. Step 2: Convert to fraction form
    2,112,203.96/3,166,906.07 = 764,191.14/x
  3. Step 3: Cross multiply
    2,112,203.96x = 3,166,906.07 × 764,191.14
  4. Step 4: Simplify right side
    2,112,203.96x = 2,420,121,556,085.26
  5. Step 5: Solve for x
    x = 2,420,121,556,085.26/2,112,203.96
  6. Step 6: Final answer
    x = 1,145,780.24

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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.