Home / 2,603,178.60-3,907,286.69-1,256,289.33

Finding the Fourth Proportional to 2,603,178.60, 3,907,286.69 and 1,256,289.33

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Solution

The fourth proportional to 2,603,178.60, 3,907,286.69 and 1,256,289.33 is: 1,885,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,178.60 : 3,907,286.69 = 1,256,289.33 : x
  2. Step 2: Convert to fraction form
    2,603,178.60/3,907,286.69 = 1,256,289.33/x
  3. Step 3: Cross multiply
    2,603,178.60x = 3,907,286.69 × 1,256,289.33
  4. Step 4: Simplify right side
    2,603,178.60x = 4,908,682,593,335.52
  5. Step 5: Solve for x
    x = 4,908,682,593,335.52/2,603,178.60
  6. Step 6: Final answer
    x = 1,885,649.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.