Home / 3,855,811.80-5,749,245.75-3,749,876.52

Finding the Fourth Proportional to 3,855,811.80, 5,749,245.75 and 3,749,876.52

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Solution

The fourth proportional to 3,855,811.80, 5,749,245.75 and 3,749,876.52 is: 5,591,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,811.80 : 5,749,245.75 = 3,749,876.52 : x
  2. Step 2: Convert to fraction form
    3,855,811.80/5,749,245.75 = 3,749,876.52/x
  3. Step 3: Cross multiply
    3,855,811.80x = 5,749,245.75 × 3,749,876.52
  4. Step 4: Simplify right side
    3,855,811.80x = 21,558,961,645,634.79
  5. Step 5: Solve for x
    x = 21,558,961,645,634.79/3,855,811.80
  6. Step 6: Final answer
    x = 5,591,289.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.