Home / 5,182,419.96-7,151,721.12-2,890,578.96

Finding the Fourth Proportional to 5,182,419.96, 7,151,721.12 and 2,890,578.96

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Solution

The fourth proportional to 5,182,419.96, 7,151,721.12 and 2,890,578.96 is: 3,988,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,419.96 : 7,151,721.12 = 2,890,578.96 : x
  2. Step 2: Convert to fraction form
    5,182,419.96/7,151,721.12 = 2,890,578.96/x
  3. Step 3: Cross multiply
    5,182,419.96x = 7,151,721.12 × 2,890,578.96
  4. Step 4: Simplify right side
    5,182,419.96x = 20,672,614,597,259.64
  5. Step 5: Solve for x
    x = 20,672,614,597,259.64/5,182,419.96
  6. Step 6: Final answer
    x = 3,988,988.69

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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.