Home / 5,325,904.80-7,983,608.40-2,628,021.60

Finding the Fourth Proportional to 5,325,904.80, 7,983,608.40 and 2,628,021.60

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Solution

The fourth proportional to 5,325,904.80, 7,983,608.40 and 2,628,021.60 is: 3,939,442.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,904.80 : 7,983,608.40 = 2,628,021.60 : x
  2. Step 2: Convert to fraction form
    5,325,904.80/7,983,608.40 = 2,628,021.60/x
  3. Step 3: Cross multiply
    5,325,904.80x = 7,983,608.40 × 2,628,021.60
  4. Step 4: Simplify right side
    5,325,904.80x = 20,981,095,321,141.44
  5. Step 5: Solve for x
    x = 20,981,095,321,141.44/5,325,904.80
  6. Step 6: Final answer
    x = 3,939,442.43

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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.