Home / 3,778,320.20-5,214,083.34-2,146,729.64

Finding the Fourth Proportional to 3,778,320.20, 5,214,083.34 and 2,146,729.64

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Solution

The fourth proportional to 3,778,320.20, 5,214,083.34 and 2,146,729.64 is: 2,962,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,320.20 : 5,214,083.34 = 2,146,729.64 : x
  2. Step 2: Convert to fraction form
    3,778,320.20/5,214,083.34 = 2,146,729.64/x
  3. Step 3: Cross multiply
    3,778,320.20x = 5,214,083.34 × 2,146,729.64
  4. Step 4: Simplify right side
    3,778,320.20x = 11,193,227,251,408.20
  5. Step 5: Solve for x
    x = 11,193,227,251,408.20/3,778,320.20
  6. Step 6: Final answer
    x = 2,962,487.74

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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.