Home / 1,931,912.33-2,665,905.45-1,072,404.95

Finding the Fourth Proportional to 1,931,912.33, 2,665,905.45 and 1,072,404.95

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Solution

The fourth proportional to 1,931,912.33, 2,665,905.45 and 1,072,404.95 is: 1,479,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,912.33 : 2,665,905.45 = 1,072,404.95 : x
  2. Step 2: Convert to fraction form
    1,931,912.33/2,665,905.45 = 1,072,404.95/x
  3. Step 3: Cross multiply
    1,931,912.33x = 2,665,905.45 × 1,072,404.95
  4. Step 4: Simplify right side
    1,931,912.33x = 2,858,930,200,811.98
  5. Step 5: Solve for x
    x = 2,858,930,200,811.98/1,931,912.33
  6. Step 6: Final answer
    x = 1,479,844.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.