Home / 2,049,179.77-3,073,069.81-1,290,553.21

Finding the Fourth Proportional to 2,049,179.77, 3,073,069.81 and 1,290,553.21

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Solution

The fourth proportional to 2,049,179.77, 3,073,069.81 and 1,290,553.21 is: 1,935,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049,179.77 : 3,073,069.81 = 1,290,553.21 : x
  2. Step 2: Convert to fraction form
    2,049,179.77/3,073,069.81 = 1,290,553.21/x
  3. Step 3: Cross multiply
    2,049,179.77x = 3,073,069.81 × 1,290,553.21
  4. Step 4: Simplify right side
    2,049,179.77x = 3,965,960,107,849.59
  5. Step 5: Solve for x
    x = 3,965,960,107,849.59/2,049,179.77
  6. Step 6: Final answer
    x = 1,935,389.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.