Home / 3,711,185.23-5,121,647.95-2,080,119.61

Finding the Fourth Proportional to 3,711,185.23, 5,121,647.95 and 2,080,119.61

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Solution

The fourth proportional to 3,711,185.23, 5,121,647.95 and 2,080,119.61 is: 2,870,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711,185.23 : 5,121,647.95 = 2,080,119.61 : x
  2. Step 2: Convert to fraction form
    3,711,185.23/5,121,647.95 = 2,080,119.61/x
  3. Step 3: Cross multiply
    3,711,185.23x = 5,121,647.95 × 2,080,119.61
  4. Step 4: Simplify right side
    3,711,185.23x = 10,653,640,336,311.30
  5. Step 5: Solve for x
    x = 10,653,640,336,311.30/3,711,185.23
  6. Step 6: Final answer
    x = 2,870,684.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.