Home / 2,891,874.28-3,990,786.88-1,602,797.89

Finding the Fourth Proportional to 2,891,874.28, 3,990,786.88 and 1,602,797.89

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Solution

The fourth proportional to 2,891,874.28, 3,990,786.88 and 1,602,797.89 is: 2,211,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,874.28 : 3,990,786.88 = 1,602,797.89 : x
  2. Step 2: Convert to fraction form
    2,891,874.28/3,990,786.88 = 1,602,797.89/x
  3. Step 3: Cross multiply
    2,891,874.28x = 3,990,786.88 × 1,602,797.89
  4. Step 4: Simplify right side
    2,891,874.28x = 6,396,424,766,742.75
  5. Step 5: Solve for x
    x = 6,396,424,766,742.75/2,891,874.28
  6. Step 6: Final answer
    x = 2,211,861.29

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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.