Home / 2,881,986.72-4,324,475.43-1,284,178.19

Finding the Fourth Proportional to 2,881,986.72, 4,324,475.43 and 1,284,178.19

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Solution

The fourth proportional to 2,881,986.72, 4,324,475.43 and 1,284,178.19 is: 1,926,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881,986.72 : 4,324,475.43 = 1,284,178.19 : x
  2. Step 2: Convert to fraction form
    2,881,986.72/4,324,475.43 = 1,284,178.19/x
  3. Step 3: Cross multiply
    2,881,986.72x = 4,324,475.43 × 1,284,178.19
  4. Step 4: Simplify right side
    2,881,986.72x = 5,553,397,008,774.49
  5. Step 5: Solve for x
    x = 5,553,397,008,774.49/2,881,986.72
  6. Step 6: Final answer
    x = 1,926,933.59

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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.