Home / 3,623,081.40-5,438,121.30-2,205,905.40

Finding the Fourth Proportional to 3,623,081.40, 5,438,121.30 and 2,205,905.40

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Solution

The fourth proportional to 3,623,081.40, 5,438,121.30 and 2,205,905.40 is: 3,310,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,081.40 : 5,438,121.30 = 2,205,905.40 : x
  2. Step 2: Convert to fraction form
    3,623,081.40/5,438,121.30 = 2,205,905.40/x
  3. Step 3: Cross multiply
    3,623,081.40x = 5,438,121.30 × 2,205,905.40
  4. Step 4: Simplify right side
    3,623,081.40x = 11,995,981,141,525.02
  5. Step 5: Solve for x
    x = 11,995,981,141,525.02/3,623,081.40
  6. Step 6: Final answer
    x = 3,310,988.58

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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.