Home / 3,643,433.73-5,028,381.86-2,115,540.86

Finding the Fourth Proportional to 3,643,433.73, 5,028,381.86 and 2,115,540.86

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Solution

The fourth proportional to 3,643,433.73, 5,028,381.86 and 2,115,540.86 is: 2,919,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643,433.73 : 5,028,381.86 = 2,115,540.86 : x
  2. Step 2: Convert to fraction form
    3,643,433.73/5,028,381.86 = 2,115,540.86/x
  3. Step 3: Cross multiply
    3,643,433.73x = 5,028,381.86 × 2,115,540.86
  4. Step 4: Simplify right side
    3,643,433.73x = 10,637,747,248,793.19
  5. Step 5: Solve for x
    x = 10,637,747,248,793.19/3,643,433.73
  6. Step 6: Final answer
    x = 2,919,703.78

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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.