Home / 3,836,143.71-5,293,867.41-2,117,251.89

Finding the Fourth Proportional to 3,836,143.71, 5,293,867.41 and 2,117,251.89

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Solution

The fourth proportional to 3,836,143.71, 5,293,867.41 and 2,117,251.89 is: 2,921,801.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,143.71 : 5,293,867.41 = 2,117,251.89 : x
  2. Step 2: Convert to fraction form
    3,836,143.71/5,293,867.41 = 2,117,251.89/x
  3. Step 3: Cross multiply
    3,836,143.71x = 5,293,867.41 × 2,117,251.89
  4. Step 4: Simplify right side
    3,836,143.71x = 11,208,450,779,231.91
  5. Step 5: Solve for x
    x = 11,208,450,779,231.91/3,836,143.71
  6. Step 6: Final answer
    x = 2,921,801.59

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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.