Home / 3,219,972.56-4,443,662.16-1,769,641.68

Finding the Fourth Proportional to 3,219,972.56, 4,443,662.16 and 1,769,641.68

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Solution

The fourth proportional to 3,219,972.56, 4,443,662.16 and 1,769,641.68 is: 2,442,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,972.56 : 4,443,662.16 = 1,769,641.68 : x
  2. Step 2: Convert to fraction form
    3,219,972.56/4,443,662.16 = 1,769,641.68/x
  3. Step 3: Cross multiply
    3,219,972.56x = 4,443,662.16 × 1,769,641.68
  4. Step 4: Simplify right side
    3,219,972.56x = 7,863,689,770,174.83
  5. Step 5: Solve for x
    x = 7,863,689,770,174.83/3,219,972.56
  6. Step 6: Final answer
    x = 2,442,160.49

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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.