Home / 3,518,320.62-4,855,740.39-1,970,171.85

Finding the Fourth Proportional to 3,518,320.62, 4,855,740.39 and 1,970,171.85

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Solution

The fourth proportional to 3,518,320.62, 4,855,740.39 and 1,970,171.85 is: 2,719,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,320.62 : 4,855,740.39 = 1,970,171.85 : x
  2. Step 2: Convert to fraction form
    3,518,320.62/4,855,740.39 = 1,970,171.85/x
  3. Step 3: Cross multiply
    3,518,320.62x = 4,855,740.39 × 1,970,171.85
  4. Step 4: Simplify right side
    3,518,320.62x = 9,566,643,027,286.02
  5. Step 5: Solve for x
    x = 9,566,643,027,286.02/3,518,320.62
  6. Step 6: Final answer
    x = 2,719,093.58

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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.