Home / 3,320,530.37-4,981,216.09-1,298,511.55

Finding the Fourth Proportional to 3,320,530.37, 4,981,216.09 and 1,298,511.55

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Solution

The fourth proportional to 3,320,530.37, 4,981,216.09 and 1,298,511.55 is: 1,947,931.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,530.37 : 4,981,216.09 = 1,298,511.55 : x
  2. Step 2: Convert to fraction form
    3,320,530.37/4,981,216.09 = 1,298,511.55/x
  3. Step 3: Cross multiply
    3,320,530.37x = 4,981,216.09 × 1,298,511.55
  4. Step 4: Simplify right side
    3,320,530.37x = 6,468,166,619,418.28
  5. Step 5: Solve for x
    x = 6,468,166,619,418.28/3,320,530.37
  6. Step 6: Final answer
    x = 1,947,931.78

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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.