Home / 3,180,320.80-4,768,839.60-936,167.20

Finding the Fourth Proportional to 3,180,320.80, 4,768,839.60 and 936,167.20

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Solution

The fourth proportional to 3,180,320.80, 4,768,839.60 and 936,167.20 is: 1,403,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180,320.80 : 4,768,839.60 = 936,167.20 : x
  2. Step 2: Convert to fraction form
    3,180,320.80/4,768,839.60 = 936,167.20/x
  3. Step 3: Cross multiply
    3,180,320.80x = 4,768,839.60 × 936,167.20
  4. Step 4: Simplify right side
    3,180,320.80x = 4,464,431,215,581.12
  5. Step 5: Solve for x
    x = 4,464,431,215,581.12/3,180,320.80
  6. Step 6: Final answer
    x = 1,403,767.57

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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.