Home / 4,739,970.80-7,109,956.20-2,080,578.80

Finding the Fourth Proportional to 4,739,970.80, 7,109,956.20 and 2,080,578.80

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Solution

The fourth proportional to 4,739,970.80, 7,109,956.20 and 2,080,578.80 is: 3,120,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739,970.80 : 7,109,956.20 = 2,080,578.80 : x
  2. Step 2: Convert to fraction form
    4,739,970.80/7,109,956.20 = 2,080,578.80/x
  3. Step 3: Cross multiply
    4,739,970.80x = 7,109,956.20 × 2,080,578.80
  4. Step 4: Simplify right side
    4,739,970.80x = 14,792,824,138,648.56
  5. Step 5: Solve for x
    x = 14,792,824,138,648.56/4,739,970.80
  6. Step 6: Final answer
    x = 3,120,868.20

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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.