Home / 3,479,577.60-5,213,145.60-2,981,913.60

Finding the Fourth Proportional to 3,479,577.60, 5,213,145.60 and 2,981,913.60

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Solution

The fourth proportional to 3,479,577.60, 5,213,145.60 and 2,981,913.60 is: 4,467,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,577.60 : 5,213,145.60 = 2,981,913.60 : x
  2. Step 2: Convert to fraction form
    3,479,577.60/5,213,145.60 = 2,981,913.60/x
  3. Step 3: Cross multiply
    3,479,577.60x = 5,213,145.60 × 2,981,913.60
  4. Step 4: Simplify right side
    3,479,577.60x = 15,545,149,763,420.16
  5. Step 5: Solve for x
    x = 15,545,149,763,420.16/3,479,577.60
  6. Step 6: Final answer
    x = 4,467,539.33

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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.