Home / 3,481,428.36-5,222,127.93-1,964,420.70

Finding the Fourth Proportional to 3,481,428.36, 5,222,127.93 and 1,964,420.70

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Solution

The fourth proportional to 3,481,428.36, 5,222,127.93 and 1,964,420.70 is: 2,946,622.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481,428.36 : 5,222,127.93 = 1,964,420.70 : x
  2. Step 2: Convert to fraction form
    3,481,428.36/5,222,127.93 = 1,964,420.70/x
  3. Step 3: Cross multiply
    3,481,428.36x = 5,222,127.93 × 1,964,420.70
  4. Step 4: Simplify right side
    3,481,428.36x = 10,258,456,203,740.15
  5. Step 5: Solve for x
    x = 10,258,456,203,740.15/3,481,428.36
  6. Step 6: Final answer
    x = 2,946,622.81

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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.