Home / 3,777,312.78-5,667,874.56-1,858,143.60

Finding the Fourth Proportional to 3,777,312.78, 5,667,874.56 and 1,858,143.60

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Solution

The fourth proportional to 3,777,312.78, 5,667,874.56 and 1,858,143.60 is: 2,788,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777,312.78 : 5,667,874.56 = 1,858,143.60 : x
  2. Step 2: Convert to fraction form
    3,777,312.78/5,667,874.56 = 1,858,143.60/x
  3. Step 3: Cross multiply
    3,777,312.78x = 5,667,874.56 × 1,858,143.60
  4. Step 4: Simplify right side
    3,777,312.78x = 10,531,724,839,266.82
  5. Step 5: Solve for x
    x = 10,531,724,839,266.82/3,777,312.78
  6. Step 6: Final answer
    x = 2,788,152.70

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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.