Home / 2,140,998.97-3,212,091.23-988,597.23

Finding the Fourth Proportional to 2,140,998.97, 3,212,091.23 and 988,597.23

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Solution

The fourth proportional to 2,140,998.97, 3,212,091.23 and 988,597.23 is: 1,483,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,998.97 : 3,212,091.23 = 988,597.23 : x
  2. Step 2: Convert to fraction form
    2,140,998.97/3,212,091.23 = 988,597.23/x
  3. Step 3: Cross multiply
    2,140,998.97x = 3,212,091.23 × 988,597.23
  4. Step 4: Simplify right side
    2,140,998.97x = 3,175,464,492,485.29
  5. Step 5: Solve for x
    x = 3,175,464,492,485.29/2,140,998.97
  6. Step 6: Final answer
    x = 1,483,169.56

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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.