Home / 3,930,402.12-5,426,083.94-2,756,605.73

Finding the Fourth Proportional to 3,930,402.12, 5,426,083.94 and 2,756,605.73

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Solution

The fourth proportional to 3,930,402.12, 5,426,083.94 and 2,756,605.73 is: 3,805,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,402.12 : 5,426,083.94 = 2,756,605.73 : x
  2. Step 2: Convert to fraction form
    3,930,402.12/5,426,083.94 = 2,756,605.73/x
  3. Step 3: Cross multiply
    3,930,402.12x = 5,426,083.94 × 2,756,605.73
  4. Step 4: Simplify right side
    3,930,402.12x = 14,957,574,039,551.53
  5. Step 5: Solve for x
    x = 14,957,574,039,551.53/3,930,402.12
  6. Step 6: Final answer
    x = 3,805,609.09

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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.