Home / 3,119,197.80-4,678,796.70-2,764,903.80

Finding the Fourth Proportional to 3,119,197.80, 4,678,796.70 and 2,764,903.80

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Solution

The fourth proportional to 3,119,197.80, 4,678,796.70 and 2,764,903.80 is: 4,147,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,197.80 : 4,678,796.70 = 2,764,903.80 : x
  2. Step 2: Convert to fraction form
    3,119,197.80/4,678,796.70 = 2,764,903.80/x
  3. Step 3: Cross multiply
    3,119,197.80x = 4,678,796.70 × 2,764,903.80
  4. Step 4: Simplify right side
    3,119,197.80x = 12,936,422,775,257.46
  5. Step 5: Solve for x
    x = 12,936,422,775,257.46/3,119,197.80
  6. Step 6: Final answer
    x = 4,147,355.70

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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.