Home / 2,137,672.80-3,203,787.60-874,072.80

Finding the Fourth Proportional to 2,137,672.80, 3,203,787.60 and 874,072.80

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Solution

The fourth proportional to 2,137,672.80, 3,203,787.60 and 874,072.80 is: 1,309,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,672.80 : 3,203,787.60 = 874,072.80 : x
  2. Step 2: Convert to fraction form
    2,137,672.80/3,203,787.60 = 874,072.80/x
  3. Step 3: Cross multiply
    2,137,672.80x = 3,203,787.60 × 874,072.80
  4. Step 4: Simplify right side
    2,137,672.80x = 2,800,343,598,137.28
  5. Step 5: Solve for x
    x = 2,800,343,598,137.28/2,137,672.80
  6. Step 6: Final answer
    x = 1,309,996.37

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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.