Home / 3,485,760.78-4,810,174.12-1,936,989.20

Finding the Fourth Proportional to 3,485,760.78, 4,810,174.12 and 1,936,989.20

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Solution

The fourth proportional to 3,485,760.78, 4,810,174.12 and 1,936,989.20 is: 2,672,947.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,760.78 : 4,810,174.12 = 1,936,989.20 : x
  2. Step 2: Convert to fraction form
    3,485,760.78/4,810,174.12 = 1,936,989.20/x
  3. Step 3: Cross multiply
    3,485,760.78x = 4,810,174.12 × 1,936,989.20
  4. Step 4: Simplify right side
    3,485,760.78x = 9,317,255,333,621.47
  5. Step 5: Solve for x
    x = 9,317,255,333,621.47/3,485,760.78
  6. Step 6: Final answer
    x = 2,672,947.43

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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.