Home / 2,787,429.12-3,848,301.18-1,755,821.22

Finding the Fourth Proportional to 2,787,429.12, 3,848,301.18 and 1,755,821.22

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Solution

The fourth proportional to 2,787,429.12, 3,848,301.18 and 1,755,821.22 is: 2,424,071.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,429.12 : 3,848,301.18 = 1,755,821.22 : x
  2. Step 2: Convert to fraction form
    2,787,429.12/3,848,301.18 = 1,755,821.22/x
  3. Step 3: Cross multiply
    2,787,429.12x = 3,848,301.18 × 1,755,821.22
  4. Step 4: Simplify right side
    2,787,429.12x = 6,756,928,853,553.53
  5. Step 5: Solve for x
    x = 6,756,928,853,553.53/2,787,429.12
  6. Step 6: Final answer
    x = 2,424,071.99

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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.