Home / 3,913,868.54-5,401,183.74-2,171,570.60

Finding the Fourth Proportional to 3,913,868.54, 5,401,183.74 and 2,171,570.60

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Solution

The fourth proportional to 3,913,868.54, 5,401,183.74 and 2,171,570.60 is: 2,996,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,868.54 : 5,401,183.74 = 2,171,570.60 : x
  2. Step 2: Convert to fraction form
    3,913,868.54/5,401,183.74 = 2,171,570.60/x
  3. Step 3: Cross multiply
    3,913,868.54x = 5,401,183.74 × 2,171,570.60
  4. Step 4: Simplify right side
    3,913,868.54x = 11,729,051,814,982.04
  5. Step 5: Solve for x
    x = 11,729,051,814,982.04/3,913,868.54
  6. Step 6: Final answer
    x = 2,996,792.48

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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.