Home / 3,187,277.81-4,781,849.32-1,028,261.28

Finding the Fourth Proportional to 3,187,277.81, 4,781,849.32 and 1,028,261.28

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Solution

The fourth proportional to 3,187,277.81, 4,781,849.32 and 1,028,261.28 is: 1,542,692.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,277.81 : 4,781,849.32 = 1,028,261.28 : x
  2. Step 2: Convert to fraction form
    3,187,277.81/4,781,849.32 = 1,028,261.28/x
  3. Step 3: Cross multiply
    3,187,277.81x = 4,781,849.32 × 1,028,261.28
  4. Step 4: Simplify right side
    3,187,277.81x = 4,916,990,502,550.33
  5. Step 5: Solve for x
    x = 4,916,990,502,550.33/3,187,277.81
  6. Step 6: Final answer
    x = 1,542,692.79

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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.