Home / 2,857,019.88-3,942,801.06-1,567,906.77

Finding the Fourth Proportional to 2,857,019.88, 3,942,801.06 and 1,567,906.77

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Solution

The fourth proportional to 2,857,019.88, 3,942,801.06 and 1,567,906.77 is: 2,163,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,019.88 : 3,942,801.06 = 1,567,906.77 : x
  2. Step 2: Convert to fraction form
    2,857,019.88/3,942,801.06 = 1,567,906.77/x
  3. Step 3: Cross multiply
    2,857,019.88x = 3,942,801.06 × 1,567,906.77
  4. Step 4: Simplify right side
    2,857,019.88x = 6,181,944,474,737.18
  5. Step 5: Solve for x
    x = 6,181,944,474,737.18/2,857,019.88
  6. Step 6: Final answer
    x = 2,163,773.70

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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.