Home / 1,862,480.20-2,567,771.26-1,216,778.44

Finding the Fourth Proportional to 1,862,480.20, 2,567,771.26 and 1,216,778.44

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Solution

The fourth proportional to 1,862,480.20, 2,567,771.26 and 1,216,778.44 is: 1,677,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,480.20 : 2,567,771.26 = 1,216,778.44 : x
  2. Step 2: Convert to fraction form
    1,862,480.20/2,567,771.26 = 1,216,778.44/x
  3. Step 3: Cross multiply
    1,862,480.20x = 2,567,771.26 × 1,216,778.44
  4. Step 4: Simplify right side
    1,862,480.20x = 3,124,408,708,019.63
  5. Step 5: Solve for x
    x = 3,124,408,708,019.63/1,862,480.20
  6. Step 6: Final answer
    x = 1,677,552.71

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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.