Home / 3,858,855.76-5,325,233.22-2,140,135.12

Finding the Fourth Proportional to 3,858,855.76, 5,325,233.22 and 2,140,135.12

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Solution

The fourth proportional to 3,858,855.76, 5,325,233.22 and 2,140,135.12 is: 2,953,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,855.76 : 5,325,233.22 = 2,140,135.12 : x
  2. Step 2: Convert to fraction form
    3,858,855.76/5,325,233.22 = 2,140,135.12/x
  3. Step 3: Cross multiply
    3,858,855.76x = 5,325,233.22 × 2,140,135.12
  4. Step 4: Simplify right side
    3,858,855.76x = 11,396,718,636,312.69
  5. Step 5: Solve for x
    x = 11,396,718,636,312.69/3,858,855.76
  6. Step 6: Final answer
    x = 2,953,393.27

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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.