Home / 2,182,781.05-3,275,647.80-1,223,234.80

Finding the Fourth Proportional to 2,182,781.05, 3,275,647.80 and 1,223,234.80

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Solution

The fourth proportional to 2,182,781.05, 3,275,647.80 and 1,223,234.80 is: 1,835,679.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,781.05 : 3,275,647.80 = 1,223,234.80 : x
  2. Step 2: Convert to fraction form
    2,182,781.05/3,275,647.80 = 1,223,234.80/x
  3. Step 3: Cross multiply
    2,182,781.05x = 3,275,647.80 × 1,223,234.80
  4. Step 4: Simplify right side
    2,182,781.05x = 4,006,886,381,503.44
  5. Step 5: Solve for x
    x = 4,006,886,381,503.44/2,182,781.05
  6. Step 6: Final answer
    x = 1,835,679.48

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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.