Home / 4,863,286.35-7,287,715.59-1,981,132.32

Finding the Fourth Proportional to 4,863,286.35, 7,287,715.59 and 1,981,132.32

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Solution

The fourth proportional to 4,863,286.35, 7,287,715.59 and 1,981,132.32 is: 2,968,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863,286.35 : 7,287,715.59 = 1,981,132.32 : x
  2. Step 2: Convert to fraction form
    4,863,286.35/7,287,715.59 = 1,981,132.32/x
  3. Step 3: Cross multiply
    4,863,286.35x = 7,287,715.59 × 1,981,132.32
  4. Step 4: Simplify right side
    4,863,286.35x = 14,437,928,894,316.87
  5. Step 5: Solve for x
    x = 14,437,928,894,316.87/4,863,286.35
  6. Step 6: Final answer
    x = 2,968,759.78

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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.