Home / 3,286,986.48-4,931,419.32-1,940,377.68

Finding the Fourth Proportional to 3,286,986.48, 4,931,419.32 and 1,940,377.68

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Solution

The fourth proportional to 3,286,986.48, 4,931,419.32 and 1,940,377.68 is: 2,911,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,986.48 : 4,931,419.32 = 1,940,377.68 : x
  2. Step 2: Convert to fraction form
    3,286,986.48/4,931,419.32 = 1,940,377.68/x
  3. Step 3: Cross multiply
    3,286,986.48x = 4,931,419.32 × 1,940,377.68
  4. Step 4: Simplify right side
    3,286,986.48x = 9,568,815,979,248.78
  5. Step 5: Solve for x
    x = 9,568,815,979,248.78/3,286,986.48
  6. Step 6: Final answer
    x = 2,911,121.19

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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.