Home / 3,387,338.28-5,082,428.16-2,109,015.72

Finding the Fourth Proportional to 3,387,338.28, 5,082,428.16 and 2,109,015.72

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Solution

The fourth proportional to 3,387,338.28, 5,082,428.16 and 2,109,015.72 is: 3,164,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,338.28 : 5,082,428.16 = 2,109,015.72 : x
  2. Step 2: Convert to fraction form
    3,387,338.28/5,082,428.16 = 2,109,015.72/x
  3. Step 3: Cross multiply
    3,387,338.28x = 5,082,428.16 × 2,109,015.72
  4. Step 4: Simplify right side
    3,387,338.28x = 10,718,920,885,210.68
  5. Step 5: Solve for x
    x = 10,718,920,885,210.68/3,387,338.28
  6. Step 6: Final answer
    x = 3,164,408.16

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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.