Home / 3,863,555.90-5,331,440.44-2,144,541.09

Finding the Fourth Proportional to 3,863,555.90, 5,331,440.44 and 2,144,541.09

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Solution

The fourth proportional to 3,863,555.90, 5,331,440.44 and 2,144,541.09 is: 2,959,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,555.90 : 5,331,440.44 = 2,144,541.09 : x
  2. Step 2: Convert to fraction form
    3,863,555.90/5,331,440.44 = 2,144,541.09/x
  3. Step 3: Cross multiply
    3,863,555.90x = 5,331,440.44 × 2,144,541.09
  4. Step 4: Simplify right side
    3,863,555.90x = 11,433,493,103,078.21
  5. Step 5: Solve for x
    x = 11,433,493,103,078.21/3,863,555.90
  6. Step 6: Final answer
    x = 2,959,318.67

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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.