Home / 5,187,385.01-7,781,450.72-1,992,511.32

Finding the Fourth Proportional to 5,187,385.01, 7,781,450.72 and 1,992,511.32

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Solution

The fourth proportional to 5,187,385.01, 7,781,450.72 and 1,992,511.32 is: 2,988,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,385.01 : 7,781,450.72 = 1,992,511.32 : x
  2. Step 2: Convert to fraction form
    5,187,385.01/7,781,450.72 = 1,992,511.32/x
  3. Step 3: Cross multiply
    5,187,385.01x = 7,781,450.72 × 1,992,511.32
  4. Step 4: Simplify right side
    5,187,385.01x = 15,504,628,635,659.59
  5. Step 5: Solve for x
    x = 15,504,628,635,659.59/5,187,385.01
  6. Step 6: Final answer
    x = 2,988,910.33

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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.