Home / 1,898,778.24-2,846,198.88-1,187,172.36

Finding the Fourth Proportional to 1,898,778.24, 2,846,198.88 and 1,187,172.36

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Solution

The fourth proportional to 1,898,778.24, 2,846,198.88 and 1,187,172.36 is: 1,779,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,778.24 : 2,846,198.88 = 1,187,172.36 : x
  2. Step 2: Convert to fraction form
    1,898,778.24/2,846,198.88 = 1,187,172.36/x
  3. Step 3: Cross multiply
    1,898,778.24x = 2,846,198.88 × 1,187,172.36
  4. Step 4: Simplify right side
    1,898,778.24x = 3,378,928,641,398.96
  5. Step 5: Solve for x
    x = 3,378,928,641,398.96/1,898,778.24
  6. Step 6: Final answer
    x = 1,779,527.79

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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.