Home / 1,863,212.06-2,795,408.86-665,108.66

Finding the Fourth Proportional to 1,863,212.06, 2,795,408.86 and 665,108.66

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Solution

The fourth proportional to 1,863,212.06, 2,795,408.86 and 665,108.66 is: 997,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863,212.06 : 2,795,408.86 = 665,108.66 : x
  2. Step 2: Convert to fraction form
    1,863,212.06/2,795,408.86 = 665,108.66/x
  3. Step 3: Cross multiply
    1,863,212.06x = 2,795,408.86 × 665,108.66
  4. Step 4: Simplify right side
    1,863,212.06x = 1,859,250,641,026.73
  5. Step 5: Solve for x
    x = 1,859,250,641,026.73/1,863,212.06
  6. Step 6: Final answer
    x = 997,873.88

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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.