Home / 2,080,003.80-3,113,784.90-1,238,122.20

Finding the Fourth Proportional to 2,080,003.80, 3,113,784.90 and 1,238,122.20

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Solution

The fourth proportional to 2,080,003.80, 3,113,784.90 and 1,238,122.20 is: 1,853,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,003.80 : 3,113,784.90 = 1,238,122.20 : x
  2. Step 2: Convert to fraction form
    2,080,003.80/3,113,784.90 = 1,238,122.20/x
  3. Step 3: Cross multiply
    2,080,003.80x = 3,113,784.90 × 1,238,122.20
  4. Step 4: Simplify right side
    2,080,003.80x = 3,855,246,210,714.78
  5. Step 5: Solve for x
    x = 3,855,246,210,714.78/2,080,003.80
  6. Step 6: Final answer
    x = 1,853,480.37

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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.