Home / 3,747,695.79-5,171,821.86-2,028,816.25

Finding the Fourth Proportional to 3,747,695.79, 5,171,821.86 and 2,028,816.25

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Solution

The fourth proportional to 3,747,695.79, 5,171,821.86 and 2,028,816.25 is: 2,799,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,695.79 : 5,171,821.86 = 2,028,816.25 : x
  2. Step 2: Convert to fraction form
    3,747,695.79/5,171,821.86 = 2,028,816.25/x
  3. Step 3: Cross multiply
    3,747,695.79x = 5,171,821.86 × 2,028,816.25
  4. Step 4: Simplify right side
    3,747,695.79x = 10,492,676,231,673.23
  5. Step 5: Solve for x
    x = 10,492,676,231,673.23/3,747,695.79
  6. Step 6: Final answer
    x = 2,799,767.33

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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.