Home / 3,688,882.78-5,091,124.71-2,238,494.62

Finding the Fourth Proportional to 3,688,882.78, 5,091,124.71 and 2,238,494.62

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Solution

The fourth proportional to 3,688,882.78, 5,091,124.71 and 2,238,494.62 is: 3,089,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,882.78 : 5,091,124.71 = 2,238,494.62 : x
  2. Step 2: Convert to fraction form
    3,688,882.78/5,091,124.71 = 2,238,494.62/x
  3. Step 3: Cross multiply
    3,688,882.78x = 5,091,124.71 × 2,238,494.62
  4. Step 4: Simplify right side
    3,688,882.78x = 11,396,455,273,084.06
  5. Step 5: Solve for x
    x = 11,396,455,273,084.06/3,688,882.78
  6. Step 6: Final answer
    x = 3,089,405.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.