Home / 3,230,996.86-4,458,593.82-1,780,687.72

Finding the Fourth Proportional to 3,230,996.86, 4,458,593.82 and 1,780,687.72

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Solution

The fourth proportional to 3,230,996.86, 4,458,593.82 and 1,780,687.72 is: 2,457,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,996.86 : 4,458,593.82 = 1,780,687.72 : x
  2. Step 2: Convert to fraction form
    3,230,996.86/4,458,593.82 = 1,780,687.72/x
  3. Step 3: Cross multiply
    3,230,996.86x = 4,458,593.82 × 1,780,687.72
  4. Step 4: Simplify right side
    3,230,996.86x = 7,939,363,263,741.89
  5. Step 5: Solve for x
    x = 7,939,363,263,741.89/3,230,996.86
  6. Step 6: Final answer
    x = 2,457,248.83

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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.