Home / 3,840,662.78-5,759,727.51-1,281,172.40

Finding the Fourth Proportional to 3,840,662.78, 5,759,727.51 and 1,281,172.40

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Solution

The fourth proportional to 3,840,662.78, 5,759,727.51 and 1,281,172.40 is: 1,921,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,662.78 : 5,759,727.51 = 1,281,172.40 : x
  2. Step 2: Convert to fraction form
    3,840,662.78/5,759,727.51 = 1,281,172.40/x
  3. Step 3: Cross multiply
    3,840,662.78x = 5,759,727.51 × 1,281,172.40
  4. Step 4: Simplify right side
    3,840,662.78x = 7,379,203,936,536.44
  5. Step 5: Solve for x
    x = 7,379,203,936,536.44/3,840,662.78
  6. Step 6: Final answer
    x = 1,921,336.07

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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.