Home / 3,861,966.09-5,325,806.03-2,312,979.69

Finding the Fourth Proportional to 3,861,966.09, 5,325,806.03 and 2,312,979.69

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Solution

The fourth proportional to 3,861,966.09, 5,325,806.03 and 2,312,979.69 is: 3,189,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,966.09 : 5,325,806.03 = 2,312,979.69 : x
  2. Step 2: Convert to fraction form
    3,861,966.09/5,325,806.03 = 2,312,979.69/x
  3. Step 3: Cross multiply
    3,861,966.09x = 5,325,806.03 × 2,312,979.69
  4. Step 4: Simplify right side
    3,861,966.09x = 12,318,481,168,704.63
  5. Step 5: Solve for x
    x = 12,318,481,168,704.63/3,861,966.09
  6. Step 6: Final answer
    x = 3,189,691.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.