Home / 2,143,533.49-3,211,096.36-1,243,083.50

Finding the Fourth Proportional to 2,143,533.49, 3,211,096.36 and 1,243,083.50

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Solution

The fourth proportional to 2,143,533.49, 3,211,096.36 and 1,243,083.50 is: 1,862,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,533.49 : 3,211,096.36 = 1,243,083.50 : x
  2. Step 2: Convert to fraction form
    2,143,533.49/3,211,096.36 = 1,243,083.50/x
  3. Step 3: Cross multiply
    2,143,533.49x = 3,211,096.36 × 1,243,083.50
  4. Step 4: Simplify right side
    2,143,533.49x = 3,991,660,902,026.06
  5. Step 5: Solve for x
    x = 3,991,660,902,026.06/2,143,533.49
  6. Step 6: Final answer
    x = 1,862,187.33

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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.