Home / 3,786,846.82-5,225,145.13-2,155,157.17

Finding the Fourth Proportional to 3,786,846.82, 5,225,145.13 and 2,155,157.17

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Solution

The fourth proportional to 3,786,846.82, 5,225,145.13 and 2,155,157.17 is: 2,973,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786,846.82 : 5,225,145.13 = 2,155,157.17 : x
  2. Step 2: Convert to fraction form
    3,786,846.82/5,225,145.13 = 2,155,157.17/x
  3. Step 3: Cross multiply
    3,786,846.82x = 5,225,145.13 × 2,155,157.17
  4. Step 4: Simplify right side
    3,786,846.82x = 11,261,008,980,841.16
  5. Step 5: Solve for x
    x = 11,261,008,980,841.16/3,786,846.82
  6. Step 6: Final answer
    x = 2,973,716.53

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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.