Home / 2,173,677.75-2,999,558.21-1,206,745.80

Finding the Fourth Proportional to 2,173,677.75, 2,999,558.21 and 1,206,745.80

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Solution

The fourth proportional to 2,173,677.75, 2,999,558.21 and 1,206,745.80 is: 1,665,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,677.75 : 2,999,558.21 = 1,206,745.80 : x
  2. Step 2: Convert to fraction form
    2,173,677.75/2,999,558.21 = 1,206,745.80/x
  3. Step 3: Cross multiply
    2,173,677.75x = 2,999,558.21 × 1,206,745.80
  4. Step 4: Simplify right side
    2,173,677.75x = 3,619,704,265,739.29
  5. Step 5: Solve for x
    x = 3,619,704,265,739.29/2,173,677.75
  6. Step 6: Final answer
    x = 1,665,244.20

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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.