Home / 3,038,858.54-4,189,520.94-1,949,238.48

Finding the Fourth Proportional to 3,038,858.54, 4,189,520.94 and 1,949,238.48

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Solution

The fourth proportional to 3,038,858.54, 4,189,520.94 and 1,949,238.48 is: 2,687,316.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038,858.54 : 4,189,520.94 = 1,949,238.48 : x
  2. Step 2: Convert to fraction form
    3,038,858.54/4,189,520.94 = 1,949,238.48/x
  3. Step 3: Cross multiply
    3,038,858.54x = 4,189,520.94 × 1,949,238.48
  4. Step 4: Simplify right side
    3,038,858.54x = 8,166,375,429,013.77
  5. Step 5: Solve for x
    x = 8,166,375,429,013.77/3,038,858.54
  6. Step 6: Final answer
    x = 2,687,316.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.