Home / 1,611,115.86-2,223,397.58-886,019.66

Finding the Fourth Proportional to 1,611,115.86, 2,223,397.58 and 886,019.66

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Solution

The fourth proportional to 1,611,115.86, 2,223,397.58 and 886,019.66 is: 1,222,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,115.86 : 2,223,397.58 = 886,019.66 : x
  2. Step 2: Convert to fraction form
    1,611,115.86/2,223,397.58 = 886,019.66/x
  3. Step 3: Cross multiply
    1,611,115.86x = 2,223,397.58 × 886,019.66
  4. Step 4: Simplify right side
    1,611,115.86x = 1,969,973,952,329.34
  5. Step 5: Solve for x
    x = 1,969,973,952,329.34/1,611,115.86
  6. Step 6: Final answer
    x = 1,222,738.85

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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.