Home / 3,161,489.94-4,742,247.06-765,330.73

Finding the Fourth Proportional to 3,161,489.94, 4,742,247.06 and 765,330.73

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Solution

The fourth proportional to 3,161,489.94, 4,742,247.06 and 765,330.73 is: 1,147,999.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,489.94 : 4,742,247.06 = 765,330.73 : x
  2. Step 2: Convert to fraction form
    3,161,489.94/4,742,247.06 = 765,330.73/x
  3. Step 3: Cross multiply
    3,161,489.94x = 4,742,247.06 × 765,330.73
  4. Step 4: Simplify right side
    3,161,489.94x = 3,629,387,392,414.54
  5. Step 5: Solve for x
    x = 3,629,387,392,414.54/3,161,489.94
  6. Step 6: Final answer
    x = 1,147,999.03

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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.