Home / 1,577,974.28-2,366,961.41-1,311,925.73

Finding the Fourth Proportional to 1,577,974.28, 2,366,961.41 and 1,311,925.73

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Solution

The fourth proportional to 1,577,974.28, 2,366,961.41 and 1,311,925.73 is: 1,967,888.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,974.28 : 2,366,961.41 = 1,311,925.73 : x
  2. Step 2: Convert to fraction form
    1,577,974.28/2,366,961.41 = 1,311,925.73/x
  3. Step 3: Cross multiply
    1,577,974.28x = 2,366,961.41 × 1,311,925.73
  4. Step 4: Simplify right side
    1,577,974.28x = 3,105,277,567,141.09
  5. Step 5: Solve for x
    x = 3,105,277,567,141.09/1,577,974.28
  6. Step 6: Final answer
    x = 1,967,888.59

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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.