Home / 3,579,391-4,939,560.39-1,969,759

Finding the Fourth Proportional to 3,579,391, 4,939,560.39 and 1,969,759

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Solution

The fourth proportional to 3,579,391, 4,939,560.39 and 1,969,759 is: 2,718,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,391 : 4,939,560.39 = 1,969,759 : x
  2. Step 2: Convert to fraction form
    3,579,391/4,939,560.39 = 1,969,759/x
  3. Step 3: Cross multiply
    3,579,391x = 4,939,560.39 × 1,969,759
  4. Step 4: Simplify right side
    3,579,391x = 9,729,743,534,246.01
  5. Step 5: Solve for x
    x = 9,729,743,534,246.01/3,579,391
  6. Step 6: Final answer
    x = 2,718,267.87

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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.