Home / 5,388,086.97-8,075,112.89-2,189,473.71

Finding the Fourth Proportional to 5,388,086.97, 8,075,112.89 and 2,189,473.71

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Solution

The fourth proportional to 5,388,086.97, 8,075,112.89 and 2,189,473.71 is: 3,281,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,086.97 : 8,075,112.89 = 2,189,473.71 : x
  2. Step 2: Convert to fraction form
    5,388,086.97/8,075,112.89 = 2,189,473.71/x
  3. Step 3: Cross multiply
    5,388,086.97x = 8,075,112.89 × 2,189,473.71
  4. Step 4: Simplify right side
    5,388,086.97x = 17,680,247,377,937.12
  5. Step 5: Solve for x
    x = 17,680,247,377,937.12/5,388,086.97
  6. Step 6: Final answer
    x = 3,281,358.95

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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.