Home / 2,080,443.36-3,121,006.58-641,127.02

Finding the Fourth Proportional to 2,080,443.36, 3,121,006.58 and 641,127.02

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Solution

The fourth proportional to 2,080,443.36, 3,121,006.58 and 641,127.02 is: 961,795.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,443.36 : 3,121,006.58 = 641,127.02 : x
  2. Step 2: Convert to fraction form
    2,080,443.36/3,121,006.58 = 641,127.02/x
  3. Step 3: Cross multiply
    2,080,443.36x = 3,121,006.58 × 641,127.02
  4. Step 4: Simplify right side
    2,080,443.36x = 2,000,961,648,035.79
  5. Step 5: Solve for x
    x = 2,000,961,648,035.79/2,080,443.36
  6. Step 6: Final answer
    x = 961,795.78

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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.