Home / 2,135,814.40-3,203,721.60-639,906.40

Finding the Fourth Proportional to 2,135,814.40, 3,203,721.60 and 639,906.40

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Solution

The fourth proportional to 2,135,814.40, 3,203,721.60 and 639,906.40 is: 959,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,814.40 : 3,203,721.60 = 639,906.40 : x
  2. Step 2: Convert to fraction form
    2,135,814.40/3,203,721.60 = 639,906.40/x
  3. Step 3: Cross multiply
    2,135,814.40x = 3,203,721.60 × 639,906.40
  4. Step 4: Simplify right side
    2,135,814.40x = 2,050,081,955,658.24
  5. Step 5: Solve for x
    x = 2,050,081,955,658.24/2,135,814.40
  6. Step 6: Final answer
    x = 959,859.60

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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.