Home / 1,970,616.70-2,719,449.84-1,065,198.70

Finding the Fourth Proportional to 1,970,616.70, 2,719,449.84 and 1,065,198.70

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Solution

The fourth proportional to 1,970,616.70, 2,719,449.84 and 1,065,198.70 is: 1,469,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,616.70 : 2,719,449.84 = 1,065,198.70 : x
  2. Step 2: Convert to fraction form
    1,970,616.70/2,719,449.84 = 1,065,198.70/x
  3. Step 3: Cross multiply
    1,970,616.70x = 2,719,449.84 × 1,065,198.70
  4. Step 4: Simplify right side
    1,970,616.70x = 2,896,754,415,359.97
  5. Step 5: Solve for x
    x = 2,896,754,415,359.97/1,970,616.70
  6. Step 6: Final answer
    x = 1,469,973.55

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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.