Home / 3,230,462.20-4,457,976.60-1,780,291.68

Finding the Fourth Proportional to 3,230,462.20, 4,457,976.60 and 1,780,291.68

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Solution

The fourth proportional to 3,230,462.20, 4,457,976.60 and 1,780,291.68 is: 2,456,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230,462.20 : 4,457,976.60 = 1,780,291.68 : x
  2. Step 2: Convert to fraction form
    3,230,462.20/4,457,976.60 = 1,780,291.68/x
  3. Step 3: Cross multiply
    3,230,462.20x = 4,457,976.60 × 1,780,291.68
  4. Step 4: Simplify right side
    3,230,462.20x = 7,936,498,650,614.69
  5. Step 5: Solve for x
    x = 7,936,498,650,614.69/3,230,462.20
  6. Step 6: Final answer
    x = 2,456,768.77

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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.