Home / 5,171,658.78-7,136,888.78-2,997,463.08

Finding the Fourth Proportional to 5,171,658.78, 7,136,888.78 and 2,997,463.08

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Solution

The fourth proportional to 5,171,658.78, 7,136,888.78 and 2,997,463.08 is: 4,136,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,658.78 : 7,136,888.78 = 2,997,463.08 : x
  2. Step 2: Convert to fraction form
    5,171,658.78/7,136,888.78 = 2,997,463.08/x
  3. Step 3: Cross multiply
    5,171,658.78x = 7,136,888.78 × 2,997,463.08
  4. Step 4: Simplify right side
    5,171,658.78x = 21,392,560,624,116.24
  5. Step 5: Solve for x
    x = 21,392,560,624,116.24/5,171,658.78
  6. Step 6: Final answer
    x = 4,136,498.86

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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.