Home / 2,619,140.16-3,928,692.96-673,865.76

Finding the Fourth Proportional to 2,619,140.16, 3,928,692.96 and 673,865.76

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Solution

The fourth proportional to 2,619,140.16, 3,928,692.96 and 673,865.76 is: 1,010,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,140.16 : 3,928,692.96 = 673,865.76 : x
  2. Step 2: Convert to fraction form
    2,619,140.16/3,928,692.96 = 673,865.76/x
  3. Step 3: Cross multiply
    2,619,140.16x = 3,928,692.96 × 673,865.76
  4. Step 4: Simplify right side
    2,619,140.16x = 2,647,411,667,297.05
  5. Step 5: Solve for x
    x = 2,647,411,667,297.05/2,619,140.16
  6. Step 6: Final answer
    x = 1,010,794.19

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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.