Home / 4,764,472.20-7,146,708.30-1,923,121.80

Finding the Fourth Proportional to 4,764,472.20, 7,146,708.30 and 1,923,121.80

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Solution

The fourth proportional to 4,764,472.20, 7,146,708.30 and 1,923,121.80 is: 2,884,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764,472.20 : 7,146,708.30 = 1,923,121.80 : x
  2. Step 2: Convert to fraction form
    4,764,472.20/7,146,708.30 = 1,923,121.80/x
  3. Step 3: Cross multiply
    4,764,472.20x = 7,146,708.30 × 1,923,121.80
  4. Step 4: Simplify right side
    4,764,472.20x = 13,743,990,529,970.94
  5. Step 5: Solve for x
    x = 13,743,990,529,970.94/4,764,472.20
  6. Step 6: Final answer
    x = 2,884,682.70

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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.