Home / 3,940,116.94-5,437,605.05-2,174,006.62

Finding the Fourth Proportional to 3,940,116.94, 5,437,605.05 and 2,174,006.62

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Solution

The fourth proportional to 3,940,116.94, 5,437,605.05 and 2,174,006.62 is: 3,000,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,116.94 : 5,437,605.05 = 2,174,006.62 : x
  2. Step 2: Convert to fraction form
    3,940,116.94/5,437,605.05 = 2,174,006.62/x
  3. Step 3: Cross multiply
    3,940,116.94x = 5,437,605.05 × 2,174,006.62
  4. Step 4: Simplify right side
    3,940,116.94x = 11,821,389,385,839.32
  5. Step 5: Solve for x
    x = 11,821,389,385,839.32/3,940,116.94
  6. Step 6: Final answer
    x = 3,000,263.58

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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.