Home / 5,171,839.02-7,137,137.81-2,997,643.29

Finding the Fourth Proportional to 5,171,839.02, 7,137,137.81 and 2,997,643.29

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Solution

The fourth proportional to 5,171,839.02, 7,137,137.81 and 2,997,643.29 is: 4,136,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,839.02 : 7,137,137.81 = 2,997,643.29 : x
  2. Step 2: Convert to fraction form
    5,171,839.02/7,137,137.81 = 2,997,643.29/x
  3. Step 3: Cross multiply
    5,171,839.02x = 7,137,137.81 × 2,997,643.29
  4. Step 4: Simplify right side
    5,171,839.02x = 21,394,593,250,963.58
  5. Step 5: Solve for x
    x = 21,394,593,250,963.58/5,171,839.02
  6. Step 6: Final answer
    x = 4,136,747.72

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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.