Home / 2,188,181.56-3,017,310.04-1,422,815.80

Finding the Fourth Proportional to 2,188,181.56, 3,017,310.04 and 1,422,815.80

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Solution

The fourth proportional to 2,188,181.56, 3,017,310.04 and 1,422,815.80 is: 1,961,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,181.56 : 3,017,310.04 = 1,422,815.80 : x
  2. Step 2: Convert to fraction form
    2,188,181.56/3,017,310.04 = 1,422,815.80/x
  3. Step 3: Cross multiply
    2,188,181.56x = 3,017,310.04 × 1,422,815.80
  4. Step 4: Simplify right side
    2,188,181.56x = 4,293,076,398,410.63
  5. Step 5: Solve for x
    x = 4,293,076,398,410.63/2,188,181.56
  6. Step 6: Final answer
    x = 1,961,937.93

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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.