Home / 3,942,300.80-5,440,364.87-2,199,951.91

Finding the Fourth Proportional to 3,942,300.80, 5,440,364.87 and 2,199,951.91

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Solution

The fourth proportional to 3,942,300.80, 5,440,364.87 and 2,199,951.91 is: 3,035,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,300.80 : 5,440,364.87 = 2,199,951.91 : x
  2. Step 2: Convert to fraction form
    3,942,300.80/5,440,364.87 = 2,199,951.91/x
  3. Step 3: Cross multiply
    3,942,300.80x = 5,440,364.87 × 2,199,951.91
  4. Step 4: Simplify right side
    3,942,300.80x = 11,968,541,062,252.73
  5. Step 5: Solve for x
    x = 11,968,541,062,252.73/3,942,300.80
  6. Step 6: Final answer
    x = 3,035,927.92

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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.