Home / 3,986,344.62-5,982,155.10-2,190,478.64

Finding the Fourth Proportional to 3,986,344.62, 5,982,155.10 and 2,190,478.64

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Solution

The fourth proportional to 3,986,344.62, 5,982,155.10 and 2,190,478.64 is: 3,287,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,344.62 : 5,982,155.10 = 2,190,478.64 : x
  2. Step 2: Convert to fraction form
    3,986,344.62/5,982,155.10 = 2,190,478.64/x
  3. Step 3: Cross multiply
    3,986,344.62x = 5,982,155.10 × 2,190,478.64
  4. Step 4: Simplify right side
    3,986,344.62x = 13,103,782,937,806.29
  5. Step 5: Solve for x
    x = 13,103,782,937,806.29/3,986,344.62
  6. Step 6: Final answer
    x = 3,287,167.62

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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.