Home / 2,080,318.90-3,121,025.10-660,372.70

Finding the Fourth Proportional to 2,080,318.90, 3,121,025.10 and 660,372.70

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Solution

The fourth proportional to 2,080,318.90, 3,121,025.10 and 660,372.70 is: 990,732.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,318.90 : 3,121,025.10 = 660,372.70 : x
  2. Step 2: Convert to fraction form
    2,080,318.90/3,121,025.10 = 660,372.70/x
  3. Step 3: Cross multiply
    2,080,318.90x = 3,121,025.10 × 660,372.70
  4. Step 4: Simplify right side
    2,080,318.90x = 2,061,039,772,054.77
  5. Step 5: Solve for x
    x = 2,061,039,772,054.77/2,080,318.90
  6. Step 6: Final answer
    x = 990,732.61

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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.