Home / 3,193,673.76-4,407,239.52-1,969,489.92

Finding the Fourth Proportional to 3,193,673.76, 4,407,239.52 and 1,969,489.92

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Solution

The fourth proportional to 3,193,673.76, 4,407,239.52 and 1,969,489.92 is: 2,717,877.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,673.76 : 4,407,239.52 = 1,969,489.92 : x
  2. Step 2: Convert to fraction form
    3,193,673.76/4,407,239.52 = 1,969,489.92/x
  3. Step 3: Cross multiply
    3,193,673.76x = 4,407,239.52 × 1,969,489.92
  4. Step 4: Simplify right side
    3,193,673.76x = 8,680,013,809,665.64
  5. Step 5: Solve for x
    x = 8,680,013,809,665.64/3,193,673.76
  6. Step 6: Final answer
    x = 2,717,877.42

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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.