Home / 3,913,951.78-5,401,297.25-2,171,652.72

Finding the Fourth Proportional to 3,913,951.78, 5,401,297.25 and 2,171,652.72

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Solution

The fourth proportional to 3,913,951.78, 5,401,297.25 and 2,171,652.72 is: 2,996,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,951.78 : 5,401,297.25 = 2,171,652.72 : x
  2. Step 2: Convert to fraction form
    3,913,951.78/5,401,297.25 = 2,171,652.72/x
  3. Step 3: Cross multiply
    3,913,951.78x = 5,401,297.25 × 2,171,652.72
  4. Step 4: Simplify right side
    3,913,951.78x = 11,729,741,864,491.02
  5. Step 5: Solve for x
    x = 11,729,741,864,491.02/3,913,951.78
  6. Step 6: Final answer
    x = 2,996,905.05

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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.