Home / 2,269,004.51-3,131,226.87-1,236,512.57

Finding the Fourth Proportional to 2,269,004.51, 3,131,226.87 and 1,236,512.57

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Solution

The fourth proportional to 2,269,004.51, 3,131,226.87 and 1,236,512.57 is: 1,706,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269,004.51 : 3,131,226.87 = 1,236,512.57 : x
  2. Step 2: Convert to fraction form
    2,269,004.51/3,131,226.87 = 1,236,512.57/x
  3. Step 3: Cross multiply
    2,269,004.51x = 3,131,226.87 × 1,236,512.57
  4. Step 4: Simplify right side
    2,269,004.51x = 3,871,801,378,094.19
  5. Step 5: Solve for x
    x = 3,871,801,378,094.19/2,269,004.51
  6. Step 6: Final answer
    x = 1,706,387.70

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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.