Home / 2,211,224.28-3,316,825.53-863,523.78

Finding the Fourth Proportional to 2,211,224.28, 3,316,825.53 and 863,523.78

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Solution

The fourth proportional to 2,211,224.28, 3,316,825.53 and 863,523.78 is: 1,295,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,224.28 : 3,316,825.53 = 863,523.78 : x
  2. Step 2: Convert to fraction form
    2,211,224.28/3,316,825.53 = 863,523.78/x
  3. Step 3: Cross multiply
    2,211,224.28x = 3,316,825.53 × 863,523.78
  4. Step 4: Simplify right side
    2,211,224.28x = 2,864,157,719,266.10
  5. Step 5: Solve for x
    x = 2,864,157,719,266.10/2,211,224.28
  6. Step 6: Final answer
    x = 1,295,281.42

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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.