Home / 2,216,911.68-3,320,089.56-1,415,711.52

Finding the Fourth Proportional to 2,216,911.68, 3,320,089.56 and 1,415,711.52

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Solution

The fourth proportional to 2,216,911.68, 3,320,089.56 and 1,415,711.52 is: 2,120,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216,911.68 : 3,320,089.56 = 1,415,711.52 : x
  2. Step 2: Convert to fraction form
    2,216,911.68/3,320,089.56 = 1,415,711.52/x
  3. Step 3: Cross multiply
    2,216,911.68x = 3,320,089.56 × 1,415,711.52
  4. Step 4: Simplify right side
    2,216,911.68x = 4,700,289,037,523.73
  5. Step 5: Solve for x
    x = 4,700,289,037,523.73/2,216,911.68
  6. Step 6: Final answer
    x = 2,120,196.79

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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.