Home / 2,664,643.60-3,996,965.40-2,198,083.60

Finding the Fourth Proportional to 2,664,643.60, 3,996,965.40 and 2,198,083.60

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Solution

The fourth proportional to 2,664,643.60, 3,996,965.40 and 2,198,083.60 is: 3,297,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,643.60 : 3,996,965.40 = 2,198,083.60 : x
  2. Step 2: Convert to fraction form
    2,664,643.60/3,996,965.40 = 2,198,083.60/x
  3. Step 3: Cross multiply
    2,664,643.60x = 3,996,965.40 × 2,198,083.60
  4. Step 4: Simplify right side
    2,664,643.60x = 8,785,664,095,507.44
  5. Step 5: Solve for x
    x = 8,785,664,095,507.44/2,664,643.60
  6. Step 6: Final answer
    x = 3,297,125.40

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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.