Home / 2,948,334.66-4,422,009.78-818,634.06

Finding the Fourth Proportional to 2,948,334.66, 4,422,009.78 and 818,634.06

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Solution

The fourth proportional to 2,948,334.66, 4,422,009.78 and 818,634.06 is: 1,227,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,334.66 : 4,422,009.78 = 818,634.06 : x
  2. Step 2: Convert to fraction form
    2,948,334.66/4,422,009.78 = 818,634.06/x
  3. Step 3: Cross multiply
    2,948,334.66x = 4,422,009.78 × 818,634.06
  4. Step 4: Simplify right side
    2,948,334.66x = 3,620,007,819,561.11
  5. Step 5: Solve for x
    x = 3,620,007,819,561.11/2,948,334.66
  6. Step 6: Final answer
    x = 1,227,814.42

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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.