Home / 5,653,076.81-7,800,537.94-3,821,520.20

Finding the Fourth Proportional to 5,653,076.81, 7,800,537.94 and 3,821,520.20

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Solution

The fourth proportional to 5,653,076.81, 7,800,537.94 and 3,821,520.20 is: 5,273,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653,076.81 : 7,800,537.94 = 3,821,520.20 : x
  2. Step 2: Convert to fraction form
    5,653,076.81/7,800,537.94 = 3,821,520.20/x
  3. Step 3: Cross multiply
    5,653,076.81x = 7,800,537.94 × 3,821,520.20
  4. Step 4: Simplify right side
    5,653,076.81x = 29,809,913,260,019.90
  5. Step 5: Solve for x
    x = 29,809,913,260,019.90/5,653,076.81
  6. Step 6: Final answer
    x = 5,273,219.22

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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.