Home / 2,761,197.69-3,810,416.49-1,520,784.21

Finding the Fourth Proportional to 2,761,197.69, 3,810,416.49 and 1,520,784.21

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Solution

The fourth proportional to 2,761,197.69, 3,810,416.49 and 1,520,784.21 is: 2,098,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,197.69 : 3,810,416.49 = 1,520,784.21 : x
  2. Step 2: Convert to fraction form
    2,761,197.69/3,810,416.49 = 1,520,784.21/x
  3. Step 3: Cross multiply
    2,761,197.69x = 3,810,416.49 × 1,520,784.21
  4. Step 4: Simplify right side
    2,761,197.69x = 5,794,821,223,911.70
  5. Step 5: Solve for x
    x = 5,794,821,223,911.70/2,761,197.69
  6. Step 6: Final answer
    x = 2,098,662.20

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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.