Home / 3,171,788.78-4,377,072.62-1,721,484.05

Finding the Fourth Proportional to 3,171,788.78, 4,377,072.62 and 1,721,484.05

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Solution

The fourth proportional to 3,171,788.78, 4,377,072.62 and 1,721,484.05 is: 2,375,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,788.78 : 4,377,072.62 = 1,721,484.05 : x
  2. Step 2: Convert to fraction form
    3,171,788.78/4,377,072.62 = 1,721,484.05/x
  3. Step 3: Cross multiply
    3,171,788.78x = 4,377,072.62 × 1,721,484.05
  4. Step 4: Simplify right side
    3,171,788.78x = 7,535,060,701,021.71
  5. Step 5: Solve for x
    x = 7,535,060,701,021.71/3,171,788.78
  6. Step 6: Final answer
    x = 2,375,650.22

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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.