Home / 2,993,412.20-4,489,680.90-863,274.20

Finding the Fourth Proportional to 2,993,412.20, 4,489,680.90 and 863,274.20

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Solution

The fourth proportional to 2,993,412.20, 4,489,680.90 and 863,274.20 is: 1,294,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,412.20 : 4,489,680.90 = 863,274.20 : x
  2. Step 2: Convert to fraction form
    2,993,412.20/4,489,680.90 = 863,274.20/x
  3. Step 3: Cross multiply
    2,993,412.20x = 4,489,680.90 × 863,274.20
  4. Step 4: Simplify right side
    2,993,412.20x = 3,875,825,687,202.78
  5. Step 5: Solve for x
    x = 3,875,825,687,202.78/2,993,412.20
  6. Step 6: Final answer
    x = 1,294,785.16

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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.