Home / 3,647,965.51-5,033,678.09-2,078,138.61

Finding the Fourth Proportional to 3,647,965.51, 5,033,678.09 and 2,078,138.61

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Solution

The fourth proportional to 3,647,965.51, 5,033,678.09 and 2,078,138.61 is: 2,867,538.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647,965.51 : 5,033,678.09 = 2,078,138.61 : x
  2. Step 2: Convert to fraction form
    3,647,965.51/5,033,678.09 = 2,078,138.61/x
  3. Step 3: Cross multiply
    3,647,965.51x = 5,033,678.09 × 2,078,138.61
  4. Step 4: Simplify right side
    3,647,965.51x = 10,460,680,778,749.36
  5. Step 5: Solve for x
    x = 10,460,680,778,749.36/3,647,965.51
  6. Step 6: Final answer
    x = 2,867,538.29

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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.