Home / 2,820,745.29-3,892,519.35-1,531,556.19

Finding the Fourth Proportional to 2,820,745.29, 3,892,519.35 and 1,531,556.19

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Solution

The fourth proportional to 2,820,745.29, 3,892,519.35 and 1,531,556.19 is: 2,113,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,745.29 : 3,892,519.35 = 1,531,556.19 : x
  2. Step 2: Convert to fraction form
    2,820,745.29/3,892,519.35 = 1,531,556.19/x
  3. Step 3: Cross multiply
    2,820,745.29x = 3,892,519.35 × 1,531,556.19
  4. Step 4: Simplify right side
    2,820,745.29x = 5,961,612,105,187.28
  5. Step 5: Solve for x
    x = 5,961,612,105,187.28/2,820,745.29
  6. Step 6: Final answer
    x = 2,113,488.28

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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.