Home / 3,119,198.80-4,678,798.20-2,764,904.80

Finding the Fourth Proportional to 3,119,198.80, 4,678,798.20 and 2,764,904.80

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Solution

The fourth proportional to 3,119,198.80, 4,678,798.20 and 2,764,904.80 is: 4,147,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,198.80 : 4,678,798.20 = 2,764,904.80 : x
  2. Step 2: Convert to fraction form
    3,119,198.80/4,678,798.20 = 2,764,904.80/x
  3. Step 3: Cross multiply
    3,119,198.80x = 4,678,798.20 × 2,764,904.80
  4. Step 4: Simplify right side
    3,119,198.80x = 12,936,431,601,411.36
  5. Step 5: Solve for x
    x = 12,936,431,601,411.36/3,119,198.80
  6. Step 6: Final answer
    x = 4,147,357.20

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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.