Home / 3,918,126.32-5,406,832.32-2,175,906.32

Finding the Fourth Proportional to 3,918,126.32, 5,406,832.32 and 2,175,906.32

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Solution

The fourth proportional to 3,918,126.32, 5,406,832.32 and 2,175,906.32 is: 3,002,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,126.32 : 5,406,832.32 = 2,175,906.32 : x
  2. Step 2: Convert to fraction form
    3,918,126.32/5,406,832.32 = 2,175,906.32/x
  3. Step 3: Cross multiply
    3,918,126.32x = 5,406,832.32 × 2,175,906.32
  4. Step 4: Simplify right side
    3,918,126.32x = 11,764,760,616,268.26
  5. Step 5: Solve for x
    x = 11,764,760,616,268.26/3,918,126.32
  6. Step 6: Final answer
    x = 3,002,649.65

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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.