Home / 3,942,318.85-5,440,389.85-2,199,969.66

Finding the Fourth Proportional to 3,942,318.85, 5,440,389.85 and 2,199,969.66

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Solution

The fourth proportional to 3,942,318.85, 5,440,389.85 and 2,199,969.66 is: 3,035,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,318.85 : 5,440,389.85 = 2,199,969.66 : x
  2. Step 2: Convert to fraction form
    3,942,318.85/5,440,389.85 = 2,199,969.66/x
  3. Step 3: Cross multiply
    3,942,318.85x = 5,440,389.85 × 2,199,969.66
  4. Step 4: Simplify right side
    3,942,318.85x = 11,968,692,631,723.38
  5. Step 5: Solve for x
    x = 11,968,692,631,723.38/3,942,318.85
  6. Step 6: Final answer
    x = 3,035,952.47

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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.