Home / 2,647,395.40-3,972,213.06-1,447,917.40

Finding the Fourth Proportional to 2,647,395.40, 3,972,213.06 and 1,447,917.40

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Solution

The fourth proportional to 2,647,395.40, 3,972,213.06 and 1,447,917.40 is: 2,172,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647,395.40 : 3,972,213.06 = 1,447,917.40 : x
  2. Step 2: Convert to fraction form
    2,647,395.40/3,972,213.06 = 1,447,917.40/x
  3. Step 3: Cross multiply
    2,647,395.40x = 3,972,213.06 × 1,447,917.40
  4. Step 4: Simplify right side
    2,647,395.40x = 5,751,436,406,081.24
  5. Step 5: Solve for x
    x = 5,751,436,406,081.24/2,647,395.40
  6. Step 6: Final answer
    x = 2,172,488.63

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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.