Home / 3,861,020.55-5,328,847.94-2,142,693.03

Finding the Fourth Proportional to 3,861,020.55, 5,328,847.94 and 2,142,693.03

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Solution

The fourth proportional to 3,861,020.55, 5,328,847.94 and 2,142,693.03 is: 2,957,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,020.55 : 5,328,847.94 = 2,142,693.03 : x
  2. Step 2: Convert to fraction form
    3,861,020.55/5,328,847.94 = 2,142,693.03/x
  3. Step 3: Cross multiply
    3,861,020.55x = 5,328,847.94 × 2,142,693.03
  4. Step 4: Simplify right side
    3,861,020.55x = 11,418,085,328,254.39
  5. Step 5: Solve for x
    x = 11,418,085,328,254.39/3,861,020.55
  6. Step 6: Final answer
    x = 2,957,271.32

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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.