Home / 1,611,292.50-2,223,637.92-886,170.78

Finding the Fourth Proportional to 1,611,292.50, 2,223,637.92 and 886,170.78

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Solution

The fourth proportional to 1,611,292.50, 2,223,637.92 and 886,170.78 is: 1,222,945.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,292.50 : 2,223,637.92 = 886,170.78 : x
  2. Step 2: Convert to fraction form
    1,611,292.50/2,223,637.92 = 886,170.78/x
  3. Step 3: Cross multiply
    1,611,292.50x = 2,223,637.92 × 886,170.78
  4. Step 4: Simplify right side
    1,611,292.50x = 1,970,522,950,003.98
  5. Step 5: Solve for x
    x = 1,970,522,950,003.98/1,611,292.50
  6. Step 6: Final answer
    x = 1,222,945.52

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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.