Home / 6,869,930.80-10,304,896.20-1,821,751.60

Finding the Fourth Proportional to 6,869,930.80, 10,304,896.20 and 1,821,751.60

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Solution

The fourth proportional to 6,869,930.80, 10,304,896.20 and 1,821,751.60 is: 2,732,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869,930.80 : 10,304,896.20 = 1,821,751.60 : x
  2. Step 2: Convert to fraction form
    6,869,930.80/10,304,896.20 = 1,821,751.60/x
  3. Step 3: Cross multiply
    6,869,930.80x = 10,304,896.20 × 1,821,751.60
  4. Step 4: Simplify right side
    6,869,930.80x = 18,772,961,140,183.92
  5. Step 5: Solve for x
    x = 18,772,961,140,183.92/6,869,930.80
  6. Step 6: Final answer
    x = 2,732,627.40

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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.