Home / 3,871,121.58-5,342,140.04-2,217,804.14

Finding the Fourth Proportional to 3,871,121.58, 5,342,140.04 and 2,217,804.14

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Solution

The fourth proportional to 3,871,121.58, 5,342,140.04 and 2,217,804.14 is: 3,060,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871,121.58 : 5,342,140.04 = 2,217,804.14 : x
  2. Step 2: Convert to fraction form
    3,871,121.58/5,342,140.04 = 2,217,804.14/x
  3. Step 3: Cross multiply
    3,871,121.58x = 5,342,140.04 × 2,217,804.14
  4. Step 4: Simplify right side
    3,871,121.58x = 11,847,820,259,372.04
  5. Step 5: Solve for x
    x = 11,847,820,259,372.04/3,871,121.58
  6. Step 6: Final answer
    x = 3,060,565.27

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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.