Home / 2,928,969.70-4,394,117.04-1,581,103.38

Finding the Fourth Proportional to 2,928,969.70, 4,394,117.04 and 1,581,103.38

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Solution

The fourth proportional to 2,928,969.70, 4,394,117.04 and 1,581,103.38 is: 2,372,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,969.70 : 4,394,117.04 = 1,581,103.38 : x
  2. Step 2: Convert to fraction form
    2,928,969.70/4,394,117.04 = 1,581,103.38/x
  3. Step 3: Cross multiply
    2,928,969.70x = 4,394,117.04 × 1,581,103.38
  4. Step 4: Simplify right side
    2,928,969.70x = 6,947,553,304,059.60
  5. Step 5: Solve for x
    x = 6,947,553,304,059.60/2,928,969.70
  6. Step 6: Final answer
    x = 2,372,012.69

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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.