Home / 2,820,745.25-3,892,519.31-1,531,556.14

Finding the Fourth Proportional to 2,820,745.25, 3,892,519.31 and 1,531,556.14

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Solution

The fourth proportional to 2,820,745.25, 3,892,519.31 and 1,531,556.14 is: 2,113,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,745.25 : 3,892,519.31 = 1,531,556.14 : x
  2. Step 2: Convert to fraction form
    2,820,745.25/3,892,519.31 = 1,531,556.14/x
  3. Step 3: Cross multiply
    2,820,745.25x = 3,892,519.31 × 1,531,556.14
  4. Step 4: Simplify right side
    2,820,745.25x = 5,961,611,849,299.06
  5. Step 5: Solve for x
    x = 5,961,611,849,299.06/2,820,745.25
  6. Step 6: Final answer
    x = 2,113,488.22

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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.