Home / 1,913,584.49-2,640,621.24-1,054,144.76

Finding the Fourth Proportional to 1,913,584.49, 2,640,621.24 and 1,054,144.76

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Solution

The fourth proportional to 1,913,584.49, 2,640,621.24 and 1,054,144.76 is: 1,454,650.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,584.49 : 2,640,621.24 = 1,054,144.76 : x
  2. Step 2: Convert to fraction form
    1,913,584.49/2,640,621.24 = 1,054,144.76/x
  3. Step 3: Cross multiply
    1,913,584.49x = 2,640,621.24 × 1,054,144.76
  4. Step 4: Simplify right side
    1,913,584.49x = 2,783,597,043,290.70
  5. Step 5: Solve for x
    x = 2,783,597,043,290.70/1,913,584.49
  6. Step 6: Final answer
    x = 1,454,650.71

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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.