Home / 5,390,082.31-8,084,854.72-1,978,100.47

Finding the Fourth Proportional to 5,390,082.31, 8,084,854.72 and 1,978,100.47

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Solution

The fourth proportional to 5,390,082.31, 8,084,854.72 and 1,978,100.47 is: 2,967,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,082.31 : 8,084,854.72 = 1,978,100.47 : x
  2. Step 2: Convert to fraction form
    5,390,082.31/8,084,854.72 = 1,978,100.47/x
  3. Step 3: Cross multiply
    5,390,082.31x = 8,084,854.72 × 1,978,100.47
  4. Step 4: Simplify right side
    5,390,082.31x = 15,992,654,871,198.94
  5. Step 5: Solve for x
    x = 15,992,654,871,198.94/5,390,082.31
  6. Step 6: Final answer
    x = 2,967,052.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.