Home / 2,815,889.70-4,224,256.05-1,019,193.54

Finding the Fourth Proportional to 2,815,889.70, 4,224,256.05 and 1,019,193.54

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Solution

The fourth proportional to 2,815,889.70, 4,224,256.05 and 1,019,193.54 is: 1,528,942.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,889.70 : 4,224,256.05 = 1,019,193.54 : x
  2. Step 2: Convert to fraction form
    2,815,889.70/4,224,256.05 = 1,019,193.54/x
  3. Step 3: Cross multiply
    2,815,889.70x = 4,224,256.05 × 1,019,193.54
  4. Step 4: Simplify right side
    2,815,889.70x = 4,305,334,491,461.95
  5. Step 5: Solve for x
    x = 4,305,334,491,461.95/2,815,889.70
  6. Step 6: Final answer
    x = 1,528,942.88

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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.