Home / 3,467,100.43-4,784,739.61-1,918,336.91

Finding the Fourth Proportional to 3,467,100.43, 4,784,739.61 and 1,918,336.91

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Solution

The fourth proportional to 3,467,100.43, 4,784,739.61 and 1,918,336.91 is: 2,647,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467,100.43 : 4,784,739.61 = 1,918,336.91 : x
  2. Step 2: Convert to fraction form
    3,467,100.43/4,784,739.61 = 1,918,336.91/x
  3. Step 3: Cross multiply
    3,467,100.43x = 4,784,739.61 × 1,918,336.91
  4. Step 4: Simplify right side
    3,467,100.43x = 9,178,742,587,825.24
  5. Step 5: Solve for x
    x = 9,178,742,587,825.24/3,467,100.43
  6. Step 6: Final answer
    x = 2,647,382.96

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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.