Home / 2,080,107.80-3,113,940.90-1,238,226.20

Finding the Fourth Proportional to 2,080,107.80, 3,113,940.90 and 1,238,226.20

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Solution

The fourth proportional to 2,080,107.80, 3,113,940.90 and 1,238,226.20 is: 1,853,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,107.80 : 3,113,940.90 = 1,238,226.20 : x
  2. Step 2: Convert to fraction form
    2,080,107.80/3,113,940.90 = 1,238,226.20/x
  3. Step 3: Cross multiply
    2,080,107.80x = 3,113,940.90 × 1,238,226.20
  4. Step 4: Simplify right side
    2,080,107.80x = 3,855,763,207,631.58
  5. Step 5: Solve for x
    x = 3,855,763,207,631.58/2,080,107.80
  6. Step 6: Final answer
    x = 1,853,636.24

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1.5x scale

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.