Home / 3,939,881.20-5,909,821.80-2,610,185.20

Finding the Fourth Proportional to 3,939,881.20, 5,909,821.80 and 2,610,185.20

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Solution

The fourth proportional to 3,939,881.20, 5,909,821.80 and 2,610,185.20 is: 3,915,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,881.20 : 5,909,821.80 = 2,610,185.20 : x
  2. Step 2: Convert to fraction form
    3,939,881.20/5,909,821.80 = 2,610,185.20/x
  3. Step 3: Cross multiply
    3,939,881.20x = 5,909,821.80 × 2,610,185.20
  4. Step 4: Simplify right side
    3,939,881.20x = 15,425,729,396,997.36
  5. Step 5: Solve for x
    x = 15,425,729,396,997.36/3,939,881.20
  6. Step 6: Final answer
    x = 3,915,277.80

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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.