Home / 3,428,579.95-5,143,149.79-1,721,845.49

Finding the Fourth Proportional to 3,428,579.95, 5,143,149.79 and 1,721,845.49

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Solution

The fourth proportional to 3,428,579.95, 5,143,149.79 and 1,721,845.49 is: 2,582,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,579.95 : 5,143,149.79 = 1,721,845.49 : x
  2. Step 2: Convert to fraction form
    3,428,579.95/5,143,149.79 = 1,721,845.49/x
  3. Step 3: Cross multiply
    3,428,579.95x = 5,143,149.79 × 1,721,845.49
  4. Step 4: Simplify right side
    3,428,579.95x = 8,855,709,270,305.95
  5. Step 5: Solve for x
    x = 8,855,709,270,305.95/3,428,579.95
  6. Step 6: Final answer
    x = 2,582,908.78

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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.