Home / 3,836,145.21-5,293,869.48-2,117,253.39

Finding the Fourth Proportional to 3,836,145.21, 5,293,869.48 and 2,117,253.39

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Solution

The fourth proportional to 3,836,145.21, 5,293,869.48 and 2,117,253.39 is: 2,921,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,145.21 : 5,293,869.48 = 2,117,253.39 : x
  2. Step 2: Convert to fraction form
    3,836,145.21/5,293,869.48 = 2,117,253.39/x
  3. Step 3: Cross multiply
    3,836,145.21x = 5,293,869.48 × 2,117,253.39
  4. Step 4: Simplify right side
    3,836,145.21x = 11,208,463,102,747.54
  5. Step 5: Solve for x
    x = 11,208,463,102,747.54/3,836,145.21
  6. Step 6: Final answer
    x = 2,921,803.66

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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.