Home / 2,589,940.80-3,884,911.20-1,330,228.80

Finding the Fourth Proportional to 2,589,940.80, 3,884,911.20 and 1,330,228.80

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Solution

The fourth proportional to 2,589,940.80, 3,884,911.20 and 1,330,228.80 is: 1,995,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,940.80 : 3,884,911.20 = 1,330,228.80 : x
  2. Step 2: Convert to fraction form
    2,589,940.80/3,884,911.20 = 1,330,228.80/x
  3. Step 3: Cross multiply
    2,589,940.80x = 3,884,911.20 × 1,330,228.80
  4. Step 4: Simplify right side
    2,589,940.80x = 5,167,820,763,682.56
  5. Step 5: Solve for x
    x = 5,167,820,763,682.56/2,589,940.80
  6. Step 6: Final answer
    x = 1,995,343.20

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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.