Home / 2,810,765.82-3,878,856-1,521,605.24

Finding the Fourth Proportional to 2,810,765.82, 3,878,856 and 1,521,605.24

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Solution

The fourth proportional to 2,810,765.82, 3,878,856 and 1,521,605.24 is: 2,099,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,765.82 : 3,878,856 = 1,521,605.24 : x
  2. Step 2: Convert to fraction form
    2,810,765.82/3,878,856 = 1,521,605.24/x
  3. Step 3: Cross multiply
    2,810,765.82x = 3,878,856 × 1,521,605.24
  4. Step 4: Simplify right side
    2,810,765.82x = 5,902,087,614,805.44
  5. Step 5: Solve for x
    x = 5,902,087,614,805.44/2,810,765.82
  6. Step 6: Final answer
    x = 2,099,814.78

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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.