Home / 5,314,363.80-7,972,712.10-2,619,979.80

Finding the Fourth Proportional to 5,314,363.80, 7,972,712.10 and 2,619,979.80

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Solution

The fourth proportional to 5,314,363.80, 7,972,712.10 and 2,619,979.80 is: 3,930,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,363.80 : 7,972,712.10 = 2,619,979.80 : x
  2. Step 2: Convert to fraction form
    5,314,363.80/7,972,712.10 = 2,619,979.80/x
  3. Step 3: Cross multiply
    5,314,363.80x = 7,972,712.10 × 2,619,979.80
  4. Step 4: Simplify right side
    5,314,363.80x = 20,888,344,653,215.58
  5. Step 5: Solve for x
    x = 20,888,344,653,215.58/5,314,363.80
  6. Step 6: Final answer
    x = 3,930,544.73

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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.