Home / 1,993,005.10-2,750,321.77-1,121,835.52

Finding the Fourth Proportional to 1,993,005.10, 2,750,321.77 and 1,121,835.52

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Solution

The fourth proportional to 1,993,005.10, 2,750,321.77 and 1,121,835.52 is: 1,548,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,005.10 : 2,750,321.77 = 1,121,835.52 : x
  2. Step 2: Convert to fraction form
    1,993,005.10/2,750,321.77 = 1,121,835.52/x
  3. Step 3: Cross multiply
    1,993,005.10x = 2,750,321.77 × 1,121,835.52
  4. Step 4: Simplify right side
    1,993,005.10x = 3,085,408,639,263.66
  5. Step 5: Solve for x
    x = 3,085,408,639,263.66/1,993,005.10
  6. Step 6: Final answer
    x = 1,548,118.79

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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.