Home / 3,271,712.82-4,514,875.72-1,821,408.21

Finding the Fourth Proportional to 3,271,712.82, 4,514,875.72 and 1,821,408.21

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Solution

The fourth proportional to 3,271,712.82, 4,514,875.72 and 1,821,408.21 is: 2,513,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271,712.82 : 4,514,875.72 = 1,821,408.21 : x
  2. Step 2: Convert to fraction form
    3,271,712.82/4,514,875.72 = 1,821,408.21/x
  3. Step 3: Cross multiply
    3,271,712.82x = 4,514,875.72 × 1,821,408.21
  4. Step 4: Simplify right side
    3,271,712.82x = 8,223,431,695,196.14
  5. Step 5: Solve for x
    x = 8,223,431,695,196.14/3,271,712.82
  6. Step 6: Final answer
    x = 2,513,494.36

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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.