Home / 3,300,109.78-4,947,302.44-1,276,961.19

Finding the Fourth Proportional to 3,300,109.78, 4,947,302.44 and 1,276,961.19

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Solution

The fourth proportional to 3,300,109.78, 4,947,302.44 and 1,276,961.19 is: 1,914,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300,109.78 : 4,947,302.44 = 1,276,961.19 : x
  2. Step 2: Convert to fraction form
    3,300,109.78/4,947,302.44 = 1,276,961.19/x
  3. Step 3: Cross multiply
    3,300,109.78x = 4,947,302.44 × 1,276,961.19
  4. Step 4: Simplify right side
    3,300,109.78x = 6,317,513,211,072.30
  5. Step 5: Solve for x
    x = 6,317,513,211,072.30/3,300,109.78
  6. Step 6: Final answer
    x = 1,914,334.26

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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.