Home / 3,984,140.80-5,975,433.60-1,324,748.80

Finding the Fourth Proportional to 3,984,140.80, 5,975,433.60 and 1,324,748.80

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Solution

The fourth proportional to 3,984,140.80, 5,975,433.60 and 1,324,748.80 is: 1,986,864.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,140.80 : 5,975,433.60 = 1,324,748.80 : x
  2. Step 2: Convert to fraction form
    3,984,140.80/5,975,433.60 = 1,324,748.80/x
  3. Step 3: Cross multiply
    3,984,140.80x = 5,975,433.60 × 1,324,748.80
  4. Step 4: Simplify right side
    3,984,140.80x = 7,915,948,491,079.68
  5. Step 5: Solve for x
    x = 7,915,948,491,079.68/3,984,140.80
  6. Step 6: Final answer
    x = 1,986,864.64

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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.