Home / 1,890,670.38-2,837,232.45-1,131,940.14

Finding the Fourth Proportional to 1,890,670.38, 2,837,232.45 and 1,131,940.14

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Solution

The fourth proportional to 1,890,670.38, 2,837,232.45 and 1,131,940.14 is: 1,698,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,670.38 : 2,837,232.45 = 1,131,940.14 : x
  2. Step 2: Convert to fraction form
    1,890,670.38/2,837,232.45 = 1,131,940.14/x
  3. Step 3: Cross multiply
    1,890,670.38x = 2,837,232.45 × 1,131,940.14
  4. Step 4: Simplify right side
    1,890,670.38x = 3,211,577,296,665.54
  5. Step 5: Solve for x
    x = 3,211,577,296,665.54/1,890,670.38
  6. Step 6: Final answer
    x = 1,698,644.74

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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.