Home / 2,928,968.20-4,394,114.79-1,581,101.88

Finding the Fourth Proportional to 2,928,968.20, 4,394,114.79 and 1,581,101.88

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Solution

The fourth proportional to 2,928,968.20, 4,394,114.79 and 1,581,101.88 is: 2,372,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,968.20 : 4,394,114.79 = 1,581,101.88 : x
  2. Step 2: Convert to fraction form
    2,928,968.20/4,394,114.79 = 1,581,101.88/x
  3. Step 3: Cross multiply
    2,928,968.20x = 4,394,114.79 × 1,581,101.88
  4. Step 4: Simplify right side
    2,928,968.20x = 6,947,543,155,404.81
  5. Step 5: Solve for x
    x = 6,947,543,155,404.81/2,928,968.20
  6. Step 6: Final answer
    x = 2,372,010.44

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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.