Home / 5,182,972.26-7,152,513.24-2,891,281.38

Finding the Fourth Proportional to 5,182,972.26, 7,152,513.24 and 2,891,281.38

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Solution

The fourth proportional to 5,182,972.26, 7,152,513.24 and 2,891,281.38 is: 3,989,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182,972.26 : 7,152,513.24 = 2,891,281.38 : x
  2. Step 2: Convert to fraction form
    5,182,972.26/7,152,513.24 = 2,891,281.38/x
  3. Step 3: Cross multiply
    5,182,972.26x = 7,152,513.24 × 2,891,281.38
  4. Step 4: Simplify right side
    5,182,972.26x = 20,679,928,351,015.47
  5. Step 5: Solve for x
    x = 20,679,928,351,015.47/5,182,972.26
  6. Step 6: Final answer
    x = 3,989,974.73

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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.