Home / 3,171,763.88-4,377,076.15-1,721,476.70

Finding the Fourth Proportional to 3,171,763.88, 4,377,076.15 and 1,721,476.70

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Solution

The fourth proportional to 3,171,763.88, 4,377,076.15 and 1,721,476.70 is: 2,375,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,763.88 : 4,377,076.15 = 1,721,476.70 : x
  2. Step 2: Convert to fraction form
    3,171,763.88/4,377,076.15 = 1,721,476.70/x
  3. Step 3: Cross multiply
    3,171,763.88x = 4,377,076.15 × 1,721,476.70
  4. Step 4: Simplify right side
    3,171,763.88x = 7,535,034,610,324.03
  5. Step 5: Solve for x
    x = 7,535,034,610,324.03/3,171,763.88
  6. Step 6: Final answer
    x = 2,375,660.64

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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.