Home / 1,928,429.49-2,661,503.79-1,193,619.45

Finding the Fourth Proportional to 1,928,429.49, 2,661,503.79 and 1,193,619.45

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Solution

The fourth proportional to 1,928,429.49, 2,661,503.79 and 1,193,619.45 is: 1,647,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,429.49 : 2,661,503.79 = 1,193,619.45 : x
  2. Step 2: Convert to fraction form
    1,928,429.49/2,661,503.79 = 1,193,619.45/x
  3. Step 3: Cross multiply
    1,928,429.49x = 2,661,503.79 × 1,193,619.45
  4. Step 4: Simplify right side
    1,928,429.49x = 3,176,822,684,024.62
  5. Step 5: Solve for x
    x = 3,176,822,684,024.62/1,928,429.49
  6. Step 6: Final answer
    x = 1,647,362.64

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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.