Home / 2,080,686.20-3,121,115.70-660,702.20

Finding the Fourth Proportional to 2,080,686.20, 3,121,115.70 and 660,702.20

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Solution

The fourth proportional to 2,080,686.20, 3,121,115.70 and 660,702.20 is: 991,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,686.20 : 3,121,115.70 = 660,702.20 : x
  2. Step 2: Convert to fraction form
    2,080,686.20/3,121,115.70 = 660,702.20/x
  3. Step 3: Cross multiply
    2,080,686.20x = 3,121,115.70 × 660,702.20
  4. Step 4: Simplify right side
    2,080,686.20x = 2,062,128,009,444.54
  5. Step 5: Solve for x
    x = 2,062,128,009,444.54/2,080,686.20
  6. Step 6: Final answer
    x = 991,080.74

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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.