Home / 2,632,705.20-3,950,515-1,284,878.97

Finding the Fourth Proportional to 2,632,705.20, 3,950,515 and 1,284,878.97

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Solution

The fourth proportional to 2,632,705.20, 3,950,515 and 1,284,878.97 is: 1,928,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,705.20 : 3,950,515 = 1,284,878.97 : x
  2. Step 2: Convert to fraction form
    2,632,705.20/3,950,515 = 1,284,878.97/x
  3. Step 3: Cross multiply
    2,632,705.20x = 3,950,515 × 1,284,878.97
  4. Step 4: Simplify right side
    2,632,705.20x = 5,075,933,644,169.55
  5. Step 5: Solve for x
    x = 5,075,933,644,169.55/2,632,705.20
  6. Step 6: Final answer
    x = 1,928,029.63

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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.