Home / 1,969,154.75-2,953,732.58-621,422.38

Finding the Fourth Proportional to 1,969,154.75, 2,953,732.58 and 621,422.38

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Solution

The fourth proportional to 1,969,154.75, 2,953,732.58 and 621,422.38 is: 932,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,154.75 : 2,953,732.58 = 621,422.38 : x
  2. Step 2: Convert to fraction form
    1,969,154.75/2,953,732.58 = 621,422.38/x
  3. Step 3: Cross multiply
    1,969,154.75x = 2,953,732.58 × 621,422.38
  4. Step 4: Simplify right side
    1,969,154.75x = 1,835,515,529,747.14
  5. Step 5: Solve for x
    x = 1,835,515,529,747.14/1,969,154.75
  6. Step 6: Final answer
    x = 932,133.71

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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.