Home / 2,135,987.67-3,203,573.25-640,079.67

Finding the Fourth Proportional to 2,135,987.67, 3,203,573.25 and 640,079.67

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Solution

The fourth proportional to 2,135,987.67, 3,203,573.25 and 640,079.67 is: 959,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,987.67 : 3,203,573.25 = 640,079.67 : x
  2. Step 2: Convert to fraction form
    2,135,987.67/3,203,573.25 = 640,079.67/x
  3. Step 3: Cross multiply
    2,135,987.67x = 3,203,573.25 × 640,079.67
  4. Step 4: Simplify right side
    2,135,987.67x = 2,050,542,108,680.83
  5. Step 5: Solve for x
    x = 2,050,542,108,680.83/2,135,987.67
  6. Step 6: Final answer
    x = 959,997.17

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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.