Home / 2,211,225.28-3,316,827.03-863,524.78

Finding the Fourth Proportional to 2,211,225.28, 3,316,827.03 and 863,524.78

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Solution

The fourth proportional to 2,211,225.28, 3,316,827.03 and 863,524.78 is: 1,295,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211,225.28 : 3,316,827.03 = 863,524.78 : x
  2. Step 2: Convert to fraction form
    2,211,225.28/3,316,827.03 = 863,524.78/x
  3. Step 3: Cross multiply
    2,211,225.28x = 3,316,827.03 × 863,524.78
  4. Step 4: Simplify right side
    2,211,225.28x = 2,864,162,331,378.80
  5. Step 5: Solve for x
    x = 2,864,162,331,378.80/2,211,225.28
  6. Step 6: Final answer
    x = 1,295,282.92

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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.