Home / 2,119,028.34-3,178,933.48-699,182.58

Finding the Fourth Proportional to 2,119,028.34, 3,178,933.48 and 699,182.58

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Solution

The fourth proportional to 2,119,028.34, 3,178,933.48 and 699,182.58 is: 1,048,902.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,028.34 : 3,178,933.48 = 699,182.58 : x
  2. Step 2: Convert to fraction form
    2,119,028.34/3,178,933.48 = 699,182.58/x
  3. Step 3: Cross multiply
    2,119,028.34x = 3,178,933.48 × 699,182.58
  4. Step 4: Simplify right side
    2,119,028.34x = 2,222,654,912,194.78
  5. Step 5: Solve for x
    x = 2,222,654,912,194.78/2,119,028.34
  6. Step 6: Final answer
    x = 1,048,902.87

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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.