Home / 2,801,428.37-4,203,454.76-1,380,709.97

Finding the Fourth Proportional to 2,801,428.37, 4,203,454.76 and 1,380,709.97

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Solution

The fourth proportional to 2,801,428.37, 4,203,454.76 and 1,380,709.97 is: 2,071,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801,428.37 : 4,203,454.76 = 1,380,709.97 : x
  2. Step 2: Convert to fraction form
    2,801,428.37/4,203,454.76 = 1,380,709.97/x
  3. Step 3: Cross multiply
    2,801,428.37x = 4,203,454.76 × 1,380,709.97
  4. Step 4: Simplify right side
    2,801,428.37x = 5,803,751,888,672.41
  5. Step 5: Solve for x
    x = 5,803,751,888,672.41/2,801,428.37
  6. Step 6: Final answer
    x = 2,071,711.68

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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.