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Finding the Fourth Proportional to 2,626,407, 3,939,610.56 and 631,863

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Solution

The fourth proportional to 2,626,407, 3,939,610.56 and 631,863 is: 947,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,407 : 3,939,610.56 = 631,863 : x
  2. Step 2: Convert to fraction form
    2,626,407/3,939,610.56 = 631,863/x
  3. Step 3: Cross multiply
    2,626,407x = 3,939,610.56 × 631,863
  4. Step 4: Simplify right side
    2,626,407x = 2,489,294,147,273.28
  5. Step 5: Solve for x
    x = 2,489,294,147,273.28/2,626,407
  6. Step 6: Final answer
    x = 947,794.51

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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.