Home / 3,818,902.22-5,727,128.16-1,259,541.80

Finding the Fourth Proportional to 3,818,902.22, 5,727,128.16 and 1,259,541.80

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Solution

The fourth proportional to 3,818,902.22, 5,727,128.16 and 1,259,541.80 is: 1,888,908.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,902.22 : 5,727,128.16 = 1,259,541.80 : x
  2. Step 2: Convert to fraction form
    3,818,902.22/5,727,128.16 = 1,259,541.80/x
  3. Step 3: Cross multiply
    3,818,902.22x = 5,727,128.16 × 1,259,541.80
  4. Step 4: Simplify right side
    3,818,902.22x = 7,213,557,311,477.09
  5. Step 5: Solve for x
    x = 7,213,557,311,477.09/3,818,902.22
  6. Step 6: Final answer
    x = 1,888,908.62

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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.