Home / 3,171,871.50-4,377,187.48-1,721,567.47

Finding the Fourth Proportional to 3,171,871.50, 4,377,187.48 and 1,721,567.47

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Solution

The fourth proportional to 3,171,871.50, 4,377,187.48 and 1,721,567.47 is: 2,375,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,871.50 : 4,377,187.48 = 1,721,567.47 : x
  2. Step 2: Convert to fraction form
    3,171,871.50/4,377,187.48 = 1,721,567.47/x
  3. Step 3: Cross multiply
    3,171,871.50x = 4,377,187.48 × 1,721,567.47
  4. Step 4: Simplify right side
    3,171,871.50x = 7,535,623,553,773.34
  5. Step 5: Solve for x
    x = 7,535,623,553,773.34/3,171,871.50
  6. Step 6: Final answer
    x = 2,375,765.71

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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.