Home / 2,656,923.13-3,665,928-1,970,183.26

Finding the Fourth Proportional to 2,656,923.13, 3,665,928 and 1,970,183.26

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Solution

The fourth proportional to 2,656,923.13, 3,665,928 and 1,970,183.26 is: 2,718,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656,923.13 : 3,665,928 = 1,970,183.26 : x
  2. Step 2: Convert to fraction form
    2,656,923.13/3,665,928 = 1,970,183.26/x
  3. Step 3: Cross multiply
    2,656,923.13x = 3,665,928 × 1,970,183.26
  4. Step 4: Simplify right side
    2,656,923.13x = 7,222,549,977,965.28
  5. Step 5: Solve for x
    x = 7,222,549,977,965.28/2,656,923.13
  6. Step 6: Final answer
    x = 2,718,388.76

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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.