Home / 3,928,263.48-5,420,950.20-2,209,383.54

Finding the Fourth Proportional to 3,928,263.48, 5,420,950.20 and 2,209,383.54

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Solution

The fourth proportional to 3,928,263.48, 5,420,950.20 and 2,209,383.54 is: 3,048,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,263.48 : 5,420,950.20 = 2,209,383.54 : x
  2. Step 2: Convert to fraction form
    3,928,263.48/5,420,950.20 = 2,209,383.54/x
  3. Step 3: Cross multiply
    3,928,263.48x = 5,420,950.20 × 2,209,383.54
  4. Step 4: Simplify right side
    3,928,263.48x = 11,976,958,143,039.71
  5. Step 5: Solve for x
    x = 11,976,958,143,039.71/3,928,263.48
  6. Step 6: Final answer
    x = 3,048,919.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.