Home / 3,171,871.13-4,377,186.96-1,721,567.09

Finding the Fourth Proportional to 3,171,871.13, 4,377,186.96 and 1,721,567.09

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Solution

The fourth proportional to 3,171,871.13, 4,377,186.96 and 1,721,567.09 is: 2,375,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,871.13 : 4,377,186.96 = 1,721,567.09 : x
  2. Step 2: Convert to fraction form
    3,171,871.13/4,377,186.96 = 1,721,567.09/x
  3. Step 3: Cross multiply
    3,171,871.13x = 4,377,186.96 × 1,721,567.09
  4. Step 4: Simplify right side
    3,171,871.13x = 7,535,621,017,113.15
  5. Step 5: Solve for x
    x = 7,535,621,017,113.15/3,171,871.13
  6. Step 6: Final answer
    x = 2,375,765.19

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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.