Home / 5,199,940.80-7,783,563.38-3,571,172.55

Finding the Fourth Proportional to 5,199,940.80, 7,783,563.38 and 3,571,172.55

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Solution

The fourth proportional to 5,199,940.80, 7,783,563.38 and 3,571,172.55 is: 5,345,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,940.80 : 7,783,563.38 = 3,571,172.55 : x
  2. Step 2: Convert to fraction form
    5,199,940.80/7,783,563.38 = 3,571,172.55/x
  3. Step 3: Cross multiply
    5,199,940.80x = 7,783,563.38 × 3,571,172.55
  4. Step 4: Simplify right side
    5,199,940.80x = 27,796,447,865,985.36
  5. Step 5: Solve for x
    x = 27,796,447,865,985.36/5,199,940.80
  6. Step 6: Final answer
    x = 5,345,531.60

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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.