Home / 3,171,998.61-4,377,240.77-1,721,663.19

Finding the Fourth Proportional to 3,171,998.61, 4,377,240.77 and 1,721,663.19

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Solution

The fourth proportional to 3,171,998.61, 4,377,240.77 and 1,721,663.19 is: 2,375,831.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,998.61 : 4,377,240.77 = 1,721,663.19 : x
  2. Step 2: Convert to fraction form
    3,171,998.61/4,377,240.77 = 1,721,663.19/x
  3. Step 3: Cross multiply
    3,171,998.61x = 4,377,240.77 × 1,721,663.19
  4. Step 4: Simplify right side
    3,171,998.61x = 7,536,134,298,867.94
  5. Step 5: Solve for x
    x = 7,536,134,298,867.94/3,171,998.61
  6. Step 6: Final answer
    x = 2,375,831.53

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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.