Home / 2,117,138.80-3,175,708.20-2,080,274.80

Finding the Fourth Proportional to 2,117,138.80, 3,175,708.20 and 2,080,274.80

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Solution

The fourth proportional to 2,117,138.80, 3,175,708.20 and 2,080,274.80 is: 3,120,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,138.80 : 3,175,708.20 = 2,080,274.80 : x
  2. Step 2: Convert to fraction form
    2,117,138.80/3,175,708.20 = 2,080,274.80/x
  3. Step 3: Cross multiply
    2,117,138.80x = 3,175,708.20 × 2,080,274.80
  4. Step 4: Simplify right side
    2,117,138.80x = 6,606,345,740,613.36
  5. Step 5: Solve for x
    x = 6,606,345,740,613.36/2,117,138.80
  6. Step 6: Final answer
    x = 3,120,412.20

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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.