Home / 3,986,010-5,978,958.84-1,854,902.16

Finding the Fourth Proportional to 3,986,010, 5,978,958.84 and 1,854,902.16

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Solution

The fourth proportional to 3,986,010, 5,978,958.84 and 1,854,902.16 is: 2,782,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,010 : 5,978,958.84 = 1,854,902.16 : x
  2. Step 2: Convert to fraction form
    3,986,010/5,978,958.84 = 1,854,902.16/x
  3. Step 3: Cross multiply
    3,986,010x = 5,978,958.84 × 1,854,902.16
  4. Step 4: Simplify right side
    3,986,010x = 11,090,383,666,867.09
  5. Step 5: Solve for x
    x = 11,090,383,666,867.09/3,986,010
  6. Step 6: Final answer
    x = 2,782,327.11

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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.