Home / 2,181,885.41-3,273,343.26-685,977.41

Finding the Fourth Proportional to 2,181,885.41, 3,273,343.26 and 685,977.41

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Solution

The fourth proportional to 2,181,885.41, 3,273,343.26 and 685,977.41 is: 1,029,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,885.41 : 3,273,343.26 = 685,977.41 : x
  2. Step 2: Convert to fraction form
    2,181,885.41/3,273,343.26 = 685,977.41/x
  3. Step 3: Cross multiply
    2,181,885.41x = 3,273,343.26 × 685,977.41
  4. Step 4: Simplify right side
    2,181,885.41x = 2,245,439,531,535.76
  5. Step 5: Solve for x
    x = 2,245,439,531,535.76/2,181,885.41
  6. Step 6: Final answer
    x = 1,029,128.07

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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.