Home / 2,255,216.70-3,109,188.41-1,791,608.81

Finding the Fourth Proportional to 2,255,216.70, 3,109,188.41 and 1,791,608.81

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Solution

The fourth proportional to 2,255,216.70, 3,109,188.41 and 1,791,608.81 is: 2,470,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,216.70 : 3,109,188.41 = 1,791,608.81 : x
  2. Step 2: Convert to fraction form
    2,255,216.70/3,109,188.41 = 1,791,608.81/x
  3. Step 3: Cross multiply
    2,255,216.70x = 3,109,188.41 × 1,791,608.81
  4. Step 4: Simplify right side
    2,255,216.70x = 5,570,449,322,801.91
  5. Step 5: Solve for x
    x = 5,570,449,322,801.91/2,255,216.70
  6. Step 6: Final answer
    x = 2,470,028.41

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1.5x scale

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.