Home / 2,080,809.20-3,121,300.20-660,825.20

Finding the Fourth Proportional to 2,080,809.20, 3,121,300.20 and 660,825.20

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Solution

The fourth proportional to 2,080,809.20, 3,121,300.20 and 660,825.20 is: 991,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,809.20 : 3,121,300.20 = 660,825.20 : x
  2. Step 2: Convert to fraction form
    2,080,809.20/3,121,300.20 = 660,825.20/x
  3. Step 3: Cross multiply
    2,080,809.20x = 3,121,300.20 × 660,825.20
  4. Step 4: Simplify right side
    2,080,809.20x = 2,062,633,828,925.04
  5. Step 5: Solve for x
    x = 2,062,633,828,925.04/2,080,809.20
  6. Step 6: Final answer
    x = 991,265.24

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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.