Home / 2,785,999.07-4,178,297.25-1,079,556.78

Finding the Fourth Proportional to 2,785,999.07, 4,178,297.25 and 1,079,556.78

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Solution

The fourth proportional to 2,785,999.07, 4,178,297.25 and 1,079,556.78 is: 1,619,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,999.07 : 4,178,297.25 = 1,079,556.78 : x
  2. Step 2: Convert to fraction form
    2,785,999.07/4,178,297.25 = 1,079,556.78/x
  3. Step 3: Cross multiply
    2,785,999.07x = 4,178,297.25 × 1,079,556.78
  4. Step 4: Simplify right side
    2,785,999.07x = 4,510,709,140,761.47
  5. Step 5: Solve for x
    x = 4,510,709,140,761.47/2,785,999.07
  6. Step 6: Final answer
    x = 1,619,063.40

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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.