Home / 3,413,478.70-5,120,218.05-2,201,005.90

Finding the Fourth Proportional to 3,413,478.70, 5,120,218.05 and 2,201,005.90

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Solution

The fourth proportional to 3,413,478.70, 5,120,218.05 and 2,201,005.90 is: 3,301,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,478.70 : 5,120,218.05 = 2,201,005.90 : x
  2. Step 2: Convert to fraction form
    3,413,478.70/5,120,218.05 = 2,201,005.90/x
  3. Step 3: Cross multiply
    3,413,478.70x = 5,120,218.05 × 2,201,005.90
  4. Step 4: Simplify right side
    3,413,478.70x = 11,269,630,137,336.49
  5. Step 5: Solve for x
    x = 11,269,630,137,336.49/3,413,478.70
  6. Step 6: Final answer
    x = 3,301,508.85

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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.