Home / 2,735,321.87-4,099,315.30-2,128,842.54

Finding the Fourth Proportional to 2,735,321.87, 4,099,315.30 and 2,128,842.54

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Solution

The fourth proportional to 2,735,321.87, 4,099,315.30 and 2,128,842.54 is: 3,190,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735,321.87 : 4,099,315.30 = 2,128,842.54 : x
  2. Step 2: Convert to fraction form
    2,735,321.87/4,099,315.30 = 2,128,842.54/x
  3. Step 3: Cross multiply
    2,735,321.87x = 4,099,315.30 × 2,128,842.54
  4. Step 4: Simplify right side
    2,735,321.87x = 8,726,796,790,190.76
  5. Step 5: Solve for x
    x = 8,726,796,790,190.76/2,735,321.87
  6. Step 6: Final answer
    x = 3,190,409.46

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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.