Home / 3,659,211.23-5,049,784.61-2,131,416.77

Finding the Fourth Proportional to 3,659,211.23, 5,049,784.61 and 2,131,416.77

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Solution

The fourth proportional to 3,659,211.23, 5,049,784.61 and 2,131,416.77 is: 2,941,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,211.23 : 5,049,784.61 = 2,131,416.77 : x
  2. Step 2: Convert to fraction form
    3,659,211.23/5,049,784.61 = 2,131,416.77/x
  3. Step 3: Cross multiply
    3,659,211.23x = 5,049,784.61 × 2,131,416.77
  4. Step 4: Simplify right side
    3,659,211.23x = 10,763,195,602,641.91
  5. Step 5: Solve for x
    x = 10,763,195,602,641.91/3,659,211.23
  6. Step 6: Final answer
    x = 2,941,397.73

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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.