Home / 3,720,330.72-5,133,721.59-2,171,726.82

Finding the Fourth Proportional to 3,720,330.72, 5,133,721.59 and 2,171,726.82

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Solution

The fourth proportional to 3,720,330.72, 5,133,721.59 and 2,171,726.82 is: 2,996,787.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720,330.72 : 5,133,721.59 = 2,171,726.82 : x
  2. Step 2: Convert to fraction form
    3,720,330.72/5,133,721.59 = 2,171,726.82/x
  3. Step 3: Cross multiply
    3,720,330.72x = 5,133,721.59 × 2,171,726.82
  4. Step 4: Simplify right side
    3,720,330.72x = 11,149,040,863,416.04
  5. Step 5: Solve for x
    x = 11,149,040,863,416.04/3,720,330.72
  6. Step 6: Final answer
    x = 2,996,787.57

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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.