Home / 1,980,200.88-2,732,604.12-1,074,763.44

Finding the Fourth Proportional to 1,980,200.88, 2,732,604.12 and 1,074,763.44

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Solution

The fourth proportional to 1,980,200.88, 2,732,604.12 and 1,074,763.44 is: 1,483,133.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,200.88 : 2,732,604.12 = 1,074,763.44 : x
  2. Step 2: Convert to fraction form
    1,980,200.88/2,732,604.12 = 1,074,763.44/x
  3. Step 3: Cross multiply
    1,980,200.88x = 2,732,604.12 × 1,074,763.44
  4. Step 4: Simplify right side
    1,980,200.88x = 2,936,903,004,169.37
  5. Step 5: Solve for x
    x = 2,936,903,004,169.37/1,980,200.88
  6. Step 6: Final answer
    x = 1,483,133.87

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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.