Home / 1,581,060.13-2,181,863.70-855,907.85

Finding the Fourth Proportional to 1,581,060.13, 2,181,863.70 and 855,907.85

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Solution

The fourth proportional to 1,581,060.13, 2,181,863.70 and 855,907.85 is: 1,181,153.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,060.13 : 2,181,863.70 = 855,907.85 : x
  2. Step 2: Convert to fraction form
    1,581,060.13/2,181,863.70 = 855,907.85/x
  3. Step 3: Cross multiply
    1,581,060.13x = 2,181,863.70 × 855,907.85
  4. Step 4: Simplify right side
    1,581,060.13x = 1,867,474,273,914.70
  5. Step 5: Solve for x
    x = 1,867,474,273,914.70/1,581,060.13
  6. Step 6: Final answer
    x = 1,181,153.23

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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.