Home / 5,171,825.15-7,137,118.65-2,997,629.43

Finding the Fourth Proportional to 5,171,825.15, 7,137,118.65 and 2,997,629.43

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Solution

The fourth proportional to 5,171,825.15, 7,137,118.65 and 2,997,629.43 is: 4,136,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,825.15 : 7,137,118.65 = 2,997,629.43 : x
  2. Step 2: Convert to fraction form
    5,171,825.15/7,137,118.65 = 2,997,629.43/x
  3. Step 3: Cross multiply
    5,171,825.15x = 7,137,118.65 × 2,997,629.43
  4. Step 4: Simplify right side
    5,171,825.15x = 21,394,436,910,641.87
  5. Step 5: Solve for x
    x = 21,394,436,910,641.87/5,171,825.15
  6. Step 6: Final answer
    x = 4,136,728.58

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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.