Home / 3,353,067.86-5,029,961.72-1,434,178.35

Finding the Fourth Proportional to 3,353,067.86, 5,029,961.72 and 1,434,178.35

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Solution

The fourth proportional to 3,353,067.86, 5,029,961.72 and 1,434,178.35 is: 2,151,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353,067.86 : 5,029,961.72 = 1,434,178.35 : x
  2. Step 2: Convert to fraction form
    3,353,067.86/5,029,961.72 = 1,434,178.35/x
  3. Step 3: Cross multiply
    3,353,067.86x = 5,029,961.72 × 1,434,178.35
  4. Step 4: Simplify right side
    3,353,067.86x = 7,213,862,192,981.87
  5. Step 5: Solve for x
    x = 7,213,862,192,981.87/3,353,067.86
  6. Step 6: Final answer
    x = 2,151,421.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.