Home / 1,611,115.11-2,223,396.54-886,018.91

Finding the Fourth Proportional to 1,611,115.11, 2,223,396.54 and 886,018.91

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Solution

The fourth proportional to 1,611,115.11, 2,223,396.54 and 886,018.91 is: 1,222,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,115.11 : 2,223,396.54 = 886,018.91 : x
  2. Step 2: Convert to fraction form
    1,611,115.11/2,223,396.54 = 886,018.91/x
  3. Step 3: Cross multiply
    1,611,115.11x = 2,223,396.54 × 886,018.91
  4. Step 4: Simplify right side
    1,611,115.11x = 1,969,971,367,751.59
  5. Step 5: Solve for x
    x = 1,969,971,367,751.59/1,611,115.11
  6. Step 6: Final answer
    x = 1,222,737.81

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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.