Home / 3,198,691.71-4,798,285.47-1,068,783.39

Finding the Fourth Proportional to 3,198,691.71, 4,798,285.47 and 1,068,783.39

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Solution

The fourth proportional to 3,198,691.71, 4,798,285.47 and 1,068,783.39 is: 1,603,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,198,691.71 : 4,798,285.47 = 1,068,783.39 : x
  2. Step 2: Convert to fraction form
    3,198,691.71/4,798,285.47 = 1,068,783.39/x
  3. Step 3: Cross multiply
    3,198,691.71x = 4,798,285.47 × 1,068,783.39
  4. Step 4: Simplify right side
    3,198,691.71x = 5,128,327,810,814.34
  5. Step 5: Solve for x
    x = 5,128,327,810,814.34/3,198,691.71
  6. Step 6: Final answer
    x = 1,603,257.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.