Home / 2,993,562-4,132,910.09-1,962,867.78

Finding the Fourth Proportional to 2,993,562, 4,132,910.09 and 1,962,867.78

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Solution

The fourth proportional to 2,993,562, 4,132,910.09 and 1,962,867.78 is: 2,709,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,562 : 4,132,910.09 = 1,962,867.78 : x
  2. Step 2: Convert to fraction form
    2,993,562/4,132,910.09 = 1,962,867.78/x
  3. Step 3: Cross multiply
    2,993,562x = 4,132,910.09 × 1,962,867.78
  4. Step 4: Simplify right side
    2,993,562x = 8,112,356,043,483.56
  5. Step 5: Solve for x
    x = 8,112,356,043,483.56/2,993,562
  6. Step 6: Final answer
    x = 2,709,934.20

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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.