Home / 2,978,908.41-4,110,685.68-1,689,956.22

Finding the Fourth Proportional to 2,978,908.41, 4,110,685.68 and 1,689,956.22

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Solution

The fourth proportional to 2,978,908.41, 4,110,685.68 and 1,689,956.22 is: 2,332,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,908.41 : 4,110,685.68 = 1,689,956.22 : x
  2. Step 2: Convert to fraction form
    2,978,908.41/4,110,685.68 = 1,689,956.22/x
  3. Step 3: Cross multiply
    2,978,908.41x = 4,110,685.68 × 1,689,956.22
  4. Step 4: Simplify right side
    2,978,908.41x = 6,946,878,833,380.93
  5. Step 5: Solve for x
    x = 6,946,878,833,380.93/2,978,908.41
  6. Step 6: Final answer
    x = 2,332,021.63

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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.