Home / 3,349,078.62-5,017,279.05-1,978,754.22

Finding the Fourth Proportional to 3,349,078.62, 5,017,279.05 and 1,978,754.22

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Solution

The fourth proportional to 3,349,078.62, 5,017,279.05 and 1,978,754.22 is: 2,964,386.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349,078.62 : 5,017,279.05 = 1,978,754.22 : x
  2. Step 2: Convert to fraction form
    3,349,078.62/5,017,279.05 = 1,978,754.22/x
  3. Step 3: Cross multiply
    3,349,078.62x = 5,017,279.05 × 1,978,754.22
  4. Step 4: Simplify right side
    3,349,078.62x = 9,927,962,093,105.09
  5. Step 5: Solve for x
    x = 9,927,962,093,105.09/3,349,078.62
  6. Step 6: Final answer
    x = 2,964,386.10

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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.