Home / 1,945,115.51-2,917,813.40-747,037.83

Finding the Fourth Proportional to 1,945,115.51, 2,917,813.40 and 747,037.83

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Solution

The fourth proportional to 1,945,115.51, 2,917,813.40 and 747,037.83 is: 1,120,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,115.51 : 2,917,813.40 = 747,037.83 : x
  2. Step 2: Convert to fraction form
    1,945,115.51/2,917,813.40 = 747,037.83/x
  3. Step 3: Cross multiply
    1,945,115.51x = 2,917,813.40 × 747,037.83
  4. Step 4: Simplify right side
    1,945,115.51x = 2,179,716,988,813.33
  5. Step 5: Solve for x
    x = 2,179,716,988,813.33/1,945,115.51
  6. Step 6: Final answer
    x = 1,120,610.56

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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.