Home / 3,910,863.14-5,397,002.75-2,168,655.26

Finding the Fourth Proportional to 3,910,863.14, 5,397,002.75 and 2,168,655.26

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Solution

The fourth proportional to 3,910,863.14, 5,397,002.75 and 2,168,655.26 is: 2,992,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,863.14 : 5,397,002.75 = 2,168,655.26 : x
  2. Step 2: Convert to fraction form
    3,910,863.14/5,397,002.75 = 2,168,655.26/x
  3. Step 3: Cross multiply
    3,910,863.14x = 5,397,002.75 × 2,168,655.26
  4. Step 4: Simplify right side
    3,910,863.14x = 11,704,238,402,021.96
  5. Step 5: Solve for x
    x = 11,704,238,402,021.96/3,910,863.14
  6. Step 6: Final answer
    x = 2,992,750.70

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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.