Home / 3,791,518.42-5,231,017.92-2,158,770.75

Finding the Fourth Proportional to 3,791,518.42, 5,231,017.92 and 2,158,770.75

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Solution

The fourth proportional to 3,791,518.42, 5,231,017.92 and 2,158,770.75 is: 2,978,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,518.42 : 5,231,017.92 = 2,158,770.75 : x
  2. Step 2: Convert to fraction form
    3,791,518.42/5,231,017.92 = 2,158,770.75/x
  3. Step 3: Cross multiply
    3,791,518.42x = 5,231,017.92 × 2,158,770.75
  4. Step 4: Simplify right side
    3,791,518.42x = 11,292,568,478,421.84
  5. Step 5: Solve for x
    x = 11,292,568,478,421.84/3,791,518.42
  6. Step 6: Final answer
    x = 2,978,376.27

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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.