Home / 2,646,982.66-3,970,474.72-652,438.66

Finding the Fourth Proportional to 2,646,982.66, 3,970,474.72 and 652,438.66

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Solution

The fourth proportional to 2,646,982.66, 3,970,474.72 and 652,438.66 is: 978,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,982.66 : 3,970,474.72 = 652,438.66 : x
  2. Step 2: Convert to fraction form
    2,646,982.66/3,970,474.72 = 652,438.66/x
  3. Step 3: Cross multiply
    2,646,982.66x = 3,970,474.72 × 652,438.66
  4. Step 4: Simplify right side
    2,646,982.66x = 2,590,491,205,880.68
  5. Step 5: Solve for x
    x = 2,590,491,205,880.68/2,646,982.66
  6. Step 6: Final answer
    x = 978,658.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.