Home / 3,505,916.52-4,838,066.82-1,978,165.80

Finding the Fourth Proportional to 3,505,916.52, 4,838,066.82 and 1,978,165.80

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Solution

The fourth proportional to 3,505,916.52, 4,838,066.82 and 1,978,165.80 is: 2,729,813.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,916.52 : 4,838,066.82 = 1,978,165.80 : x
  2. Step 2: Convert to fraction form
    3,505,916.52/4,838,066.82 = 1,978,165.80/x
  3. Step 3: Cross multiply
    3,505,916.52x = 4,838,066.82 × 1,978,165.80
  4. Step 4: Simplify right side
    3,505,916.52x = 9,570,498,321,438.76
  5. Step 5: Solve for x
    x = 9,570,498,321,438.76/3,505,916.52
  6. Step 6: Final answer
    x = 2,729,813.52

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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.