Home / 3,667,611.20-5,488,975.20-3,219,713.60

Finding the Fourth Proportional to 3,667,611.20, 5,488,975.20 and 3,219,713.60

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Solution

The fourth proportional to 3,667,611.20, 5,488,975.20 and 3,219,713.60 is: 4,818,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667,611.20 : 5,488,975.20 = 3,219,713.60 : x
  2. Step 2: Convert to fraction form
    3,667,611.20/5,488,975.20 = 3,219,713.60/x
  3. Step 3: Cross multiply
    3,667,611.20x = 5,488,975.20 × 3,219,713.60
  4. Step 4: Simplify right side
    3,667,611.20x = 17,672,928,101,502.72
  5. Step 5: Solve for x
    x = 17,672,928,101,502.72/3,667,611.20
  6. Step 6: Final answer
    x = 4,818,648.20

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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.