Home / 2,219,021.06-3,062,249.05-1,200,425.81

Finding the Fourth Proportional to 2,219,021.06, 3,062,249.05 and 1,200,425.81

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Solution

The fourth proportional to 2,219,021.06, 3,062,249.05 and 1,200,425.81 is: 1,656,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,021.06 : 3,062,249.05 = 1,200,425.81 : x
  2. Step 2: Convert to fraction form
    2,219,021.06/3,062,249.05 = 1,200,425.81/x
  3. Step 3: Cross multiply
    2,219,021.06x = 3,062,249.05 × 1,200,425.81
  4. Step 4: Simplify right side
    2,219,021.06x = 3,676,002,780,956.74
  5. Step 5: Solve for x
    x = 3,676,002,780,956.74/2,219,021.06
  6. Step 6: Final answer
    x = 1,656,587.61

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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.