Home / 3,120,912.36-4,306,181.94-1,814,401.80

Finding the Fourth Proportional to 3,120,912.36, 4,306,181.94 and 1,814,401.80

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Solution

The fourth proportional to 3,120,912.36, 4,306,181.94 and 1,814,401.80 is: 2,503,480.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,912.36 : 4,306,181.94 = 1,814,401.80 : x
  2. Step 2: Convert to fraction form
    3,120,912.36/4,306,181.94 = 1,814,401.80/x
  3. Step 3: Cross multiply
    3,120,912.36x = 4,306,181.94 × 1,814,401.80
  4. Step 4: Simplify right side
    3,120,912.36x = 7,813,144,263,063.49
  5. Step 5: Solve for x
    x = 7,813,144,263,063.49/3,120,912.36
  6. Step 6: Final answer
    x = 2,503,480.83

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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.