Home / 2,632,664.69-3,948,997.04-638,120.69

Finding the Fourth Proportional to 2,632,664.69, 3,948,997.04 and 638,120.69

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Solution

The fourth proportional to 2,632,664.69, 3,948,997.04 and 638,120.69 is: 957,181.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,664.69 : 3,948,997.04 = 638,120.69 : x
  2. Step 2: Convert to fraction form
    2,632,664.69/3,948,997.04 = 638,120.69/x
  3. Step 3: Cross multiply
    2,632,664.69x = 3,948,997.04 × 638,120.69
  4. Step 4: Simplify right side
    2,632,664.69x = 2,519,936,702,909.66
  5. Step 5: Solve for x
    x = 2,519,936,702,909.66/2,632,664.69
  6. Step 6: Final answer
    x = 957,181.03

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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.