Home / 3,115,906.15-4,300,667.84-1,827,161.73

Finding the Fourth Proportional to 3,115,906.15, 4,300,667.84 and 1,827,161.73

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Solution

The fourth proportional to 3,115,906.15, 4,300,667.84 and 1,827,161.73 is: 2,521,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,906.15 : 4,300,667.84 = 1,827,161.73 : x
  2. Step 2: Convert to fraction form
    3,115,906.15/4,300,667.84 = 1,827,161.73/x
  3. Step 3: Cross multiply
    3,115,906.15x = 4,300,667.84 × 1,827,161.73
  4. Step 4: Simplify right side
    3,115,906.15x = 7,858,015,678,023.15
  5. Step 5: Solve for x
    x = 7,858,015,678,023.15/3,115,906.15
  6. Step 6: Final answer
    x = 2,521,903.84

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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.