Home / 7,279,219.80-10,918,829.70-2,486,190.60

Finding the Fourth Proportional to 7,279,219.80, 10,918,829.70 and 2,486,190.60

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Solution

The fourth proportional to 7,279,219.80, 10,918,829.70 and 2,486,190.60 is: 3,729,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,219.80 : 10,918,829.70 = 2,486,190.60 : x
  2. Step 2: Convert to fraction form
    7,279,219.80/10,918,829.70 = 2,486,190.60/x
  3. Step 3: Cross multiply
    7,279,219.80x = 10,918,829.70 × 2,486,190.60
  4. Step 4: Simplify right side
    7,279,219.80x = 27,146,291,763,140.82
  5. Step 5: Solve for x
    x = 27,146,291,763,140.82/7,279,219.80
  6. Step 6: Final answer
    x = 3,729,285.90

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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.