Home / 2,780,890.76-4,170,286.38-1,283,933

Finding the Fourth Proportional to 2,780,890.76, 4,170,286.38 and 1,283,933

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Solution

The fourth proportional to 2,780,890.76, 4,170,286.38 and 1,283,933 is: 1,925,414.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,890.76 : 4,170,286.38 = 1,283,933 : x
  2. Step 2: Convert to fraction form
    2,780,890.76/4,170,286.38 = 1,283,933/x
  3. Step 3: Cross multiply
    2,780,890.76x = 4,170,286.38 × 1,283,933
  4. Step 4: Simplify right side
    2,780,890.76x = 5,354,368,302,732.54
  5. Step 5: Solve for x
    x = 5,354,368,302,732.54/2,780,890.76
  6. Step 6: Final answer
    x = 1,925,414.83

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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.