Home / 1,908,822.51-2,633,297.29-1,691,251.55

Finding the Fourth Proportional to 1,908,822.51, 2,633,297.29 and 1,691,251.55

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Solution

The fourth proportional to 1,908,822.51, 2,633,297.29 and 1,691,251.55 is: 2,333,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,822.51 : 2,633,297.29 = 1,691,251.55 : x
  2. Step 2: Convert to fraction form
    1,908,822.51/2,633,297.29 = 1,691,251.55/x
  3. Step 3: Cross multiply
    1,908,822.51x = 2,633,297.29 × 1,691,251.55
  4. Step 4: Simplify right side
    1,908,822.51x = 4,453,568,125,316.84
  5. Step 5: Solve for x
    x = 4,453,568,125,316.84/1,908,822.51
  6. Step 6: Final answer
    x = 2,333,149.42

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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.