Home / 2,140,997.97-3,212,089.73-988,596.23

Finding the Fourth Proportional to 2,140,997.97, 3,212,089.73 and 988,596.23

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Solution

The fourth proportional to 2,140,997.97, 3,212,089.73 and 988,596.23 is: 1,483,168.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,997.97 : 3,212,089.73 = 988,596.23 : x
  2. Step 2: Convert to fraction form
    2,140,997.97/3,212,089.73 = 988,596.23/x
  3. Step 3: Cross multiply
    2,140,997.97x = 3,212,089.73 × 988,596.23
  4. Step 4: Simplify right side
    2,140,997.97x = 3,175,459,780,203.52
  5. Step 5: Solve for x
    x = 3,175,459,780,203.52/2,140,997.97
  6. Step 6: Final answer
    x = 1,483,168.05

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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.