Home / 2,639,420.42-3,957,687.34-2,095,804.85

Finding the Fourth Proportional to 2,639,420.42, 3,957,687.34 and 2,095,804.85

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Solution

The fourth proportional to 2,639,420.42, 3,957,687.34 and 2,095,804.85 is: 3,142,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,420.42 : 3,957,687.34 = 2,095,804.85 : x
  2. Step 2: Convert to fraction form
    2,639,420.42/3,957,687.34 = 2,095,804.85/x
  3. Step 3: Cross multiply
    2,639,420.42x = 3,957,687.34 × 2,095,804.85
  4. Step 4: Simplify right side
    2,639,420.42x = 8,294,540,324,777.55
  5. Step 5: Solve for x
    x = 8,294,540,324,777.55/2,639,420.42
  6. Step 6: Final answer
    x = 3,142,561.25

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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.