Home / 1,928,430.49-2,661,505.17-1,193,620.45

Finding the Fourth Proportional to 1,928,430.49, 2,661,505.17 and 1,193,620.45

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Solution

The fourth proportional to 1,928,430.49, 2,661,505.17 and 1,193,620.45 is: 1,647,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,430.49 : 2,661,505.17 = 1,193,620.45 : x
  2. Step 2: Convert to fraction form
    1,928,430.49/2,661,505.17 = 1,193,620.45/x
  3. Step 3: Cross multiply
    1,928,430.49x = 2,661,505.17 × 1,193,620.45
  4. Step 4: Simplify right side
    1,928,430.49x = 3,176,826,998,692.73
  5. Step 5: Solve for x
    x = 3,176,826,998,692.73/1,928,430.49
  6. Step 6: Final answer
    x = 1,647,364.02

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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.