Home / 3,743,807.72-5,166,455.66-2,112,560.80

Finding the Fourth Proportional to 3,743,807.72, 5,166,455.66 and 2,112,560.80

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Solution

The fourth proportional to 3,743,807.72, 5,166,455.66 and 2,112,560.80 is: 2,915,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,743,807.72 : 5,166,455.66 = 2,112,560.80 : x
  2. Step 2: Convert to fraction form
    3,743,807.72/5,166,455.66 = 2,112,560.80/x
  3. Step 3: Cross multiply
    3,743,807.72x = 5,166,455.66 × 2,112,560.80
  4. Step 4: Simplify right side
    3,743,807.72x = 10,914,451,702,254.13
  5. Step 5: Solve for x
    x = 10,914,451,702,254.13/3,743,807.72
  6. Step 6: Final answer
    x = 2,915,334.47

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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.