Home / 3,911,239.64-5,397,239.08-2,168,998.90

Finding the Fourth Proportional to 3,911,239.64, 5,397,239.08 and 2,168,998.90

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Solution

The fourth proportional to 3,911,239.64, 5,397,239.08 and 2,168,998.90 is: 2,993,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,239.64 : 5,397,239.08 = 2,168,998.90 : x
  2. Step 2: Convert to fraction form
    3,911,239.64/5,397,239.08 = 2,168,998.90/x
  3. Step 3: Cross multiply
    3,911,239.64x = 5,397,239.08 × 2,168,998.90
  4. Step 4: Simplify right side
    3,911,239.64x = 11,706,605,616,775.16
  5. Step 5: Solve for x
    x = 11,706,605,616,775.16/3,911,239.64
  6. Step 6: Final answer
    x = 2,993,067.85

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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.