Home / 2,255,236.11-3,109,215.10-1,791,628.25

Finding the Fourth Proportional to 2,255,236.11, 3,109,215.10 and 1,791,628.25

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Solution

The fourth proportional to 2,255,236.11, 3,109,215.10 and 1,791,628.25 is: 2,470,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,236.11 : 3,109,215.10 = 1,791,628.25 : x
  2. Step 2: Convert to fraction form
    2,255,236.11/3,109,215.10 = 1,791,628.25/x
  3. Step 3: Cross multiply
    2,255,236.11x = 3,109,215.10 × 1,791,628.25
  4. Step 4: Simplify right side
    2,255,236.11x = 5,570,557,593,544.05
  5. Step 5: Solve for x
    x = 5,570,557,593,544.05/2,255,236.11
  6. Step 6: Final answer
    x = 2,470,055.16

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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.