Home / 3,839,883.93-5,298,938.33-2,120,967.54

Finding the Fourth Proportional to 3,839,883.93, 5,298,938.33 and 2,120,967.54

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Solution

The fourth proportional to 3,839,883.93, 5,298,938.33 and 2,120,967.54 is: 2,926,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839,883.93 : 5,298,938.33 = 2,120,967.54 : x
  2. Step 2: Convert to fraction form
    3,839,883.93/5,298,938.33 = 2,120,967.54/x
  3. Step 3: Cross multiply
    3,839,883.93x = 5,298,938.33 × 2,120,967.54
  4. Step 4: Simplify right side
    3,839,883.93x = 11,238,876,183,786.97
  5. Step 5: Solve for x
    x = 11,238,876,183,786.97/3,839,883.93
  6. Step 6: Final answer
    x = 2,926,879.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.