Home / 2,489,922.72-3,735,016.44-784,199.40

Finding the Fourth Proportional to 2,489,922.72, 3,735,016.44 and 784,199.40

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Solution

The fourth proportional to 2,489,922.72, 3,735,016.44 and 784,199.40 is: 1,176,340.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,922.72 : 3,735,016.44 = 784,199.40 : x
  2. Step 2: Convert to fraction form
    2,489,922.72/3,735,016.44 = 784,199.40/x
  3. Step 3: Cross multiply
    2,489,922.72x = 3,735,016.44 × 784,199.40
  4. Step 4: Simplify right side
    2,489,922.72x = 2,928,997,651,238.14
  5. Step 5: Solve for x
    x = 2,928,997,651,238.14/2,489,922.72
  6. Step 6: Final answer
    x = 1,176,340.79

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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.