Home / 2,125,450.62-3,188,875.83-862,939.26

Finding the Fourth Proportional to 2,125,450.62, 3,188,875.83 and 862,939.26

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Solution

The fourth proportional to 2,125,450.62, 3,188,875.83 and 862,939.26 is: 1,294,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,450.62 : 3,188,875.83 = 862,939.26 : x
  2. Step 2: Convert to fraction form
    2,125,450.62/3,188,875.83 = 862,939.26/x
  3. Step 3: Cross multiply
    2,125,450.62x = 3,188,875.83 × 862,939.26
  4. Step 4: Simplify right side
    2,125,450.62x = 2,751,806,148,972.09
  5. Step 5: Solve for x
    x = 2,751,806,148,972.09/2,125,450.62
  6. Step 6: Final answer
    x = 1,294,693.05

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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.