Home / 3,579,399-4,939,571.43-1,969,767

Finding the Fourth Proportional to 3,579,399, 4,939,571.43 and 1,969,767

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Solution

The fourth proportional to 3,579,399, 4,939,571.43 and 1,969,767 is: 2,718,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,399 : 4,939,571.43 = 1,969,767 : x
  2. Step 2: Convert to fraction form
    3,579,399/4,939,571.43 = 1,969,767/x
  3. Step 3: Cross multiply
    3,579,399x = 4,939,571.43 × 1,969,767
  4. Step 4: Simplify right side
    3,579,399x = 9,729,804,796,956.81
  5. Step 5: Solve for x
    x = 9,729,804,796,956.81/3,579,399
  6. Step 6: Final answer
    x = 2,718,278.91

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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.