Home / 3,867,158.09-5,789,776.12-3,213,485.66

Finding the Fourth Proportional to 3,867,158.09, 5,789,776.12 and 3,213,485.66

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Solution

The fourth proportional to 3,867,158.09, 5,789,776.12 and 3,213,485.66 is: 4,811,120.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,158.09 : 5,789,776.12 = 3,213,485.66 : x
  2. Step 2: Convert to fraction form
    3,867,158.09/5,789,776.12 = 3,213,485.66/x
  3. Step 3: Cross multiply
    3,867,158.09x = 5,789,776.12 × 3,213,485.66
  4. Step 4: Simplify right side
    3,867,158.09x = 18,605,362,542,671.16
  5. Step 5: Solve for x
    x = 18,605,362,542,671.16/3,867,158.09
  6. Step 6: Final answer
    x = 4,811,120.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.