Home / 2,729,991.20-4,098,356.40-1,719,111.20

Finding the Fourth Proportional to 2,729,991.20, 4,098,356.40 and 1,719,111.20

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Solution

The fourth proportional to 2,729,991.20, 4,098,356.40 and 1,719,111.20 is: 2,580,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,991.20 : 4,098,356.40 = 1,719,111.20 : x
  2. Step 2: Convert to fraction form
    2,729,991.20/4,098,356.40 = 1,719,111.20/x
  3. Step 3: Cross multiply
    2,729,991.20x = 4,098,356.40 × 1,719,111.20
  4. Step 4: Simplify right side
    2,729,991.20x = 7,045,530,388,831.68
  5. Step 5: Solve for x
    x = 7,045,530,388,831.68/2,729,991.20
  6. Step 6: Final answer
    x = 2,580,788.68

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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.