Home / 2,212,998.40-3,319,497.60-2,179,820.80

Finding the Fourth Proportional to 2,212,998.40, 3,319,497.60 and 2,179,820.80

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Solution

The fourth proportional to 2,212,998.40, 3,319,497.60 and 2,179,820.80 is: 3,269,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,998.40 : 3,319,497.60 = 2,179,820.80 : x
  2. Step 2: Convert to fraction form
    2,212,998.40/3,319,497.60 = 2,179,820.80/x
  3. Step 3: Cross multiply
    2,212,998.40x = 3,319,497.60 × 2,179,820.80
  4. Step 4: Simplify right side
    2,212,998.40x = 7,235,909,914,030.08
  5. Step 5: Solve for x
    x = 7,235,909,914,030.08/2,212,998.40
  6. Step 6: Final answer
    x = 3,269,731.20

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Similar ratio
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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.