Home / 2,112,511.34-3,167,971.48-764,340.65

Finding the Fourth Proportional to 2,112,511.34, 3,167,971.48 and 764,340.65

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Solution

The fourth proportional to 2,112,511.34, 3,167,971.48 and 764,340.65 is: 1,146,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,511.34 : 3,167,971.48 = 764,340.65 : x
  2. Step 2: Convert to fraction form
    2,112,511.34/3,167,971.48 = 764,340.65/x
  3. Step 3: Cross multiply
    2,112,511.34x = 3,167,971.48 × 764,340.65
  4. Step 4: Simplify right side
    2,112,511.34x = 2,421,409,380,204.66
  5. Step 5: Solve for x
    x = 2,421,409,380,204.66/2,112,511.34
  6. Step 6: Final answer
    x = 1,146,223.14

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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.