Home / 1,858,083.60-2,787,125.40-1,663,221.90

Finding the Fourth Proportional to 1,858,083.60, 2,787,125.40 and 1,663,221.90

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Solution

The fourth proportional to 1,858,083.60, 2,787,125.40 and 1,663,221.90 is: 2,494,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,083.60 : 2,787,125.40 = 1,663,221.90 : x
  2. Step 2: Convert to fraction form
    1,858,083.60/2,787,125.40 = 1,663,221.90/x
  3. Step 3: Cross multiply
    1,858,083.60x = 2,787,125.40 × 1,663,221.90
  4. Step 4: Simplify right side
    1,858,083.60x = 4,635,608,003,326.26
  5. Step 5: Solve for x
    x = 4,635,608,003,326.26/1,858,083.60
  6. Step 6: Final answer
    x = 2,494,832.85

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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.