Home / 3,836,127.20-5,293,844.64-2,117,235.38

Finding the Fourth Proportional to 3,836,127.20, 5,293,844.64 and 2,117,235.38

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Solution

The fourth proportional to 3,836,127.20, 5,293,844.64 and 2,117,235.38 is: 2,921,778.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,127.20 : 5,293,844.64 = 2,117,235.38 : x
  2. Step 2: Convert to fraction form
    3,836,127.20/5,293,844.64 = 2,117,235.38/x
  3. Step 3: Cross multiply
    3,836,127.20x = 5,293,844.64 × 2,117,235.38
  4. Step 4: Simplify right side
    3,836,127.20x = 11,208,315,141,562.14
  5. Step 5: Solve for x
    x = 11,208,315,141,562.14/3,836,127.20
  6. Step 6: Final answer
    x = 2,921,778.81

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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.