Home / 2,439,768.39-3,659,340.32-642,790.68

Finding the Fourth Proportional to 2,439,768.39, 3,659,340.32 and 642,790.68

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Solution

The fourth proportional to 2,439,768.39, 3,659,340.32 and 642,790.68 is: 964,103.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,768.39 : 3,659,340.32 = 642,790.68 : x
  2. Step 2: Convert to fraction form
    2,439,768.39/3,659,340.32 = 642,790.68/x
  3. Step 3: Cross multiply
    2,439,768.39x = 3,659,340.32 × 642,790.68
  4. Step 4: Simplify right side
    2,439,768.39x = 2,352,189,852,644.22
  5. Step 5: Solve for x
    x = 2,352,189,852,644.22/2,439,768.39
  6. Step 6: Final answer
    x = 964,103.75

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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.