Home / 2,115,249.09-2,919,224.39-1,197,639.93

Finding the Fourth Proportional to 2,115,249.09, 2,919,224.39 and 1,197,639.93

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Solution

The fourth proportional to 2,115,249.09, 2,919,224.39 and 1,197,639.93 is: 1,652,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,249.09 : 2,919,224.39 = 1,197,639.93 : x
  2. Step 2: Convert to fraction form
    2,115,249.09/2,919,224.39 = 1,197,639.93/x
  3. Step 3: Cross multiply
    2,115,249.09x = 2,919,224.39 × 1,197,639.93
  4. Step 4: Simplify right side
    2,115,249.09x = 3,496,179,694,093.89
  5. Step 5: Solve for x
    x = 3,496,179,694,093.89/2,115,249.09
  6. Step 6: Final answer
    x = 1,652,845.38

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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.