Home / 6,839,136.84-9,437,729.94-3,938,637

Finding the Fourth Proportional to 6,839,136.84, 9,437,729.94 and 3,938,637

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Solution

The fourth proportional to 6,839,136.84, 9,437,729.94 and 3,938,637 is: 5,435,158.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839,136.84 : 9,437,729.94 = 3,938,637 : x
  2. Step 2: Convert to fraction form
    6,839,136.84/9,437,729.94 = 3,938,637/x
  3. Step 3: Cross multiply
    6,839,136.84x = 9,437,729.94 × 3,938,637
  4. Step 4: Simplify right side
    6,839,136.84x = 37,171,792,337,691.78
  5. Step 5: Solve for x
    x = 37,171,792,337,691.78/6,839,136.84
  6. Step 6: Final answer
    x = 5,435,158.44

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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.