Home / 2,661,435.44-3,672,777.30-1,515,515.78

Finding the Fourth Proportional to 2,661,435.44, 3,672,777.30 and 1,515,515.78

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Solution

The fourth proportional to 2,661,435.44, 3,672,777.30 and 1,515,515.78 is: 2,091,409.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,435.44 : 3,672,777.30 = 1,515,515.78 : x
  2. Step 2: Convert to fraction form
    2,661,435.44/3,672,777.30 = 1,515,515.78/x
  3. Step 3: Cross multiply
    2,661,435.44x = 3,672,777.30 × 1,515,515.78
  4. Step 4: Simplify right side
    2,661,435.44x = 5,566,151,954,575.79
  5. Step 5: Solve for x
    x = 5,566,151,954,575.79/2,661,435.44
  6. Step 6: Final answer
    x = 2,091,409.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.