Home / 1,816,820.80-2,719,982.40-1,108,232.80

Finding the Fourth Proportional to 1,816,820.80, 2,719,982.40 and 1,108,232.80

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Solution

The fourth proportional to 1,816,820.80, 2,719,982.40 and 1,108,232.80 is: 1,659,147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,820.80 : 2,719,982.40 = 1,108,232.80 : x
  2. Step 2: Convert to fraction form
    1,816,820.80/2,719,982.40 = 1,108,232.80/x
  3. Step 3: Cross multiply
    1,816,820.80x = 2,719,982.40 × 1,108,232.80
  4. Step 4: Simplify right side
    1,816,820.80x = 3,014,373,711,102.72
  5. Step 5: Solve for x
    x = 3,014,373,711,102.72/1,816,820.80
  6. Step 6: Final answer
    x = 1,659,147.51

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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.