Home / 2,106,890.51-2,907,003.26-1,279,947.53

Finding the Fourth Proportional to 2,106,890.51, 2,907,003.26 and 1,279,947.53

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Solution

The fourth proportional to 2,106,890.51, 2,907,003.26 and 1,279,947.53 is: 1,766,020.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,890.51 : 2,907,003.26 = 1,279,947.53 : x
  2. Step 2: Convert to fraction form
    2,106,890.51/2,907,003.26 = 1,279,947.53/x
  3. Step 3: Cross multiply
    2,106,890.51x = 2,907,003.26 × 1,279,947.53
  4. Step 4: Simplify right side
    2,106,890.51x = 3,720,811,652,806.33
  5. Step 5: Solve for x
    x = 3,720,811,652,806.33/2,106,890.51
  6. Step 6: Final answer
    x = 1,766,020.42

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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.