Home / 6,158,912.80-9,238,369.20-3,891,431.20

Finding the Fourth Proportional to 6,158,912.80, 9,238,369.20 and 3,891,431.20

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Solution

The fourth proportional to 6,158,912.80, 9,238,369.20 and 3,891,431.20 is: 5,837,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,158,912.80 : 9,238,369.20 = 3,891,431.20 : x
  2. Step 2: Convert to fraction form
    6,158,912.80/9,238,369.20 = 3,891,431.20/x
  3. Step 3: Cross multiply
    6,158,912.80x = 9,238,369.20 × 3,891,431.20
  4. Step 4: Simplify right side
    6,158,912.80x = 35,950,478,141,999.04
  5. Step 5: Solve for x
    x = 35,950,478,141,999.04/6,158,912.80
  6. Step 6: Final answer
    x = 5,837,146.80

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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.