Home / 1,952,601.91-2,917,028.80-1,263,878.37

Finding the Fourth Proportional to 1,952,601.91, 2,917,028.80 and 1,263,878.37

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Solution

The fourth proportional to 1,952,601.91, 2,917,028.80 and 1,263,878.37 is: 1,888,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952,601.91 : 2,917,028.80 = 1,263,878.37 : x
  2. Step 2: Convert to fraction form
    1,952,601.91/2,917,028.80 = 1,263,878.37/x
  3. Step 3: Cross multiply
    1,952,601.91x = 2,917,028.80 × 1,263,878.37
  4. Step 4: Simplify right side
    1,952,601.91x = 3,686,769,599,457.59
  5. Step 5: Solve for x
    x = 3,686,769,599,457.59/1,952,601.91
  6. Step 6: Final answer
    x = 1,888,131.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.