Home / 3,863,318.72-5,331,113.04-2,144,303.92

Finding the Fourth Proportional to 3,863,318.72, 5,331,113.04 and 2,144,303.92

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Solution

The fourth proportional to 3,863,318.72, 5,331,113.04 and 2,144,303.92 is: 2,958,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,318.72 : 5,331,113.04 = 2,144,303.92 : x
  2. Step 2: Convert to fraction form
    3,863,318.72/5,331,113.04 = 2,144,303.92/x
  3. Step 3: Cross multiply
    3,863,318.72x = 5,331,113.04 × 2,144,303.92
  4. Step 4: Simplify right side
    3,863,318.72x = 11,431,526,589,635.12
  5. Step 5: Solve for x
    x = 11,431,526,589,635.12/3,863,318.72
  6. Step 6: Final answer
    x = 2,958,991.33

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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.