Home / 1,965,269.88-2,943,180.78-1,121,262.84

Finding the Fourth Proportional to 1,965,269.88, 2,943,180.78 and 1,121,262.84

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Solution

The fourth proportional to 1,965,269.88, 2,943,180.78 and 1,121,262.84 is: 1,679,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,269.88 : 2,943,180.78 = 1,121,262.84 : x
  2. Step 2: Convert to fraction form
    1,965,269.88/2,943,180.78 = 1,121,262.84/x
  3. Step 3: Cross multiply
    1,965,269.88x = 2,943,180.78 × 1,121,262.84
  4. Step 4: Simplify right side
    1,965,269.88x = 3,300,079,240,016.22
  5. Step 5: Solve for x
    x = 3,300,079,240,016.22/1,965,269.88
  6. Step 6: Final answer
    x = 1,679,199.01

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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.