Home / 2,824,672.20-4,236,813.90-905,555.40

Finding the Fourth Proportional to 2,824,672.20, 4,236,813.90 and 905,555.40

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Solution

The fourth proportional to 2,824,672.20, 4,236,813.90 and 905,555.40 is: 1,358,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824,672.20 : 4,236,813.90 = 905,555.40 : x
  2. Step 2: Convert to fraction form
    2,824,672.20/4,236,813.90 = 905,555.40/x
  3. Step 3: Cross multiply
    2,824,672.20x = 4,236,813.90 × 905,555.40
  4. Step 4: Simplify right side
    2,824,672.20x = 3,836,669,705,940.06
  5. Step 5: Solve for x
    x = 3,836,669,705,940.06/2,824,672.20
  6. Step 6: Final answer
    x = 1,358,270.78

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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.