Home / 3,261,796.60-4,892,694.90-2,128,055.80

Finding the Fourth Proportional to 3,261,796.60, 4,892,694.90 and 2,128,055.80

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Solution

The fourth proportional to 3,261,796.60, 4,892,694.90 and 2,128,055.80 is: 3,192,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261,796.60 : 4,892,694.90 = 2,128,055.80 : x
  2. Step 2: Convert to fraction form
    3,261,796.60/4,892,694.90 = 2,128,055.80/x
  3. Step 3: Cross multiply
    3,261,796.60x = 4,892,694.90 × 2,128,055.80
  4. Step 4: Simplify right side
    3,261,796.60x = 10,411,927,759,575.42
  5. Step 5: Solve for x
    x = 10,411,927,759,575.42/3,261,796.60
  6. Step 6: Final answer
    x = 3,192,083.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.