Home / 3,953,162.88-5,455,369.44-2,142,326.88

Finding the Fourth Proportional to 3,953,162.88, 5,455,369.44 and 2,142,326.88

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Solution

The fourth proportional to 3,953,162.88, 5,455,369.44 and 2,142,326.88 is: 2,956,413.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953,162.88 : 5,455,369.44 = 2,142,326.88 : x
  2. Step 2: Convert to fraction form
    3,953,162.88/5,455,369.44 = 2,142,326.88/x
  3. Step 3: Cross multiply
    3,953,162.88x = 5,455,369.44 × 2,142,326.88
  4. Step 4: Simplify right side
    3,953,162.88x = 11,687,184,591,642.55
  5. Step 5: Solve for x
    x = 11,687,184,591,642.55/3,953,162.88
  6. Step 6: Final answer
    x = 2,956,413.62

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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.