Home / 2,848,783.21-3,929,849.64-1,930,698.37

Finding the Fourth Proportional to 2,848,783.21, 3,929,849.64 and 1,930,698.37

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Solution

The fourth proportional to 2,848,783.21, 3,929,849.64 and 1,930,698.37 is: 2,663,366.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848,783.21 : 3,929,849.64 = 1,930,698.37 : x
  2. Step 2: Convert to fraction form
    2,848,783.21/3,929,849.64 = 1,930,698.37/x
  3. Step 3: Cross multiply
    2,848,783.21x = 3,929,849.64 × 1,930,698.37
  4. Step 4: Simplify right side
    2,848,783.21x = 7,587,354,299,205.40
  5. Step 5: Solve for x
    x = 7,587,354,299,205.40/2,848,783.21
  6. Step 6: Final answer
    x = 2,663,366.69

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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.