Home / 3,207,025.89-4,424,017.81-1,982,940.12

Finding the Fourth Proportional to 3,207,025.89, 4,424,017.81 and 1,982,940.12

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Solution

The fourth proportional to 3,207,025.89, 4,424,017.81 and 1,982,940.12 is: 2,735,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,025.89 : 4,424,017.81 = 1,982,940.12 : x
  2. Step 2: Convert to fraction form
    3,207,025.89/4,424,017.81 = 1,982,940.12/x
  3. Step 3: Cross multiply
    3,207,025.89x = 4,424,017.81 × 1,982,940.12
  4. Step 4: Simplify right side
    3,207,025.89x = 8,772,562,407,043.54
  5. Step 5: Solve for x
    x = 8,772,562,407,043.54/3,207,025.89
  6. Step 6: Final answer
    x = 2,735,419.89

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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.