Home / 2,719,616.72-4,078,981.40-800,078.85

Finding the Fourth Proportional to 2,719,616.72, 4,078,981.40 and 800,078.85

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Solution

The fourth proportional to 2,719,616.72, 4,078,981.40 and 800,078.85 is: 1,199,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,616.72 : 4,078,981.40 = 800,078.85 : x
  2. Step 2: Convert to fraction form
    2,719,616.72/4,078,981.40 = 800,078.85/x
  3. Step 3: Cross multiply
    2,719,616.72x = 4,078,981.40 × 800,078.85
  4. Step 4: Simplify right side
    2,719,616.72x = 3,263,506,743,683.00
  5. Step 5: Solve for x
    x = 3,263,506,743,683.00/2,719,616.72
  6. Step 6: Final answer
    x = 1,199,987.75

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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.