Home / 2,824,486.20-4,236,729.30-930,981.60

Finding the Fourth Proportional to 2,824,486.20, 4,236,729.30 and 930,981.60

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Solution

The fourth proportional to 2,824,486.20, 4,236,729.30 and 930,981.60 is: 1,396,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824,486.20 : 4,236,729.30 = 930,981.60 : x
  2. Step 2: Convert to fraction form
    2,824,486.20/4,236,729.30 = 930,981.60/x
  3. Step 3: Cross multiply
    2,824,486.20x = 4,236,729.30 × 930,981.60
  4. Step 4: Simplify right side
    2,824,486.20x = 3,944,317,022,480.88
  5. Step 5: Solve for x
    x = 3,944,317,022,480.88/2,824,486.20
  6. Step 6: Final answer
    x = 1,396,472.40

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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.