Home / 2,080,634.48-3,121,059.72-660,801.68

Finding the Fourth Proportional to 2,080,634.48, 3,121,059.72 and 660,801.68

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Solution

The fourth proportional to 2,080,634.48, 3,121,059.72 and 660,801.68 is: 991,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,634.48 : 3,121,059.72 = 660,801.68 : x
  2. Step 2: Convert to fraction form
    2,080,634.48/3,121,059.72 = 660,801.68/x
  3. Step 3: Cross multiply
    2,080,634.48x = 3,121,059.72 × 660,801.68
  4. Step 4: Simplify right side
    2,080,634.48x = 2,062,401,506,356.33
  5. Step 5: Solve for x
    x = 2,062,401,506,356.33/2,080,634.48
  6. Step 6: Final answer
    x = 991,236.82

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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.