Home / 2,561,836.77-3,843,428.17-920,679.71

Finding the Fourth Proportional to 2,561,836.77, 3,843,428.17 and 920,679.71

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Solution

The fourth proportional to 2,561,836.77, 3,843,428.17 and 920,679.71 is: 1,381,261.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,836.77 : 3,843,428.17 = 920,679.71 : x
  2. Step 2: Convert to fraction form
    2,561,836.77/3,843,428.17 = 920,679.71/x
  3. Step 3: Cross multiply
    2,561,836.77x = 3,843,428.17 × 920,679.71
  4. Step 4: Simplify right side
    2,561,836.77x = 3,538,566,313,744.29
  5. Step 5: Solve for x
    x = 3,538,566,313,744.29/2,561,836.77
  6. Step 6: Final answer
    x = 1,381,261.43

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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.