Home / 2,947,966.10-4,419,596.91-1,667,783.78

Finding the Fourth Proportional to 2,947,966.10, 4,419,596.91 and 1,667,783.78

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Solution

The fourth proportional to 2,947,966.10, 4,419,596.91 and 1,667,783.78 is: 2,500,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,966.10 : 4,419,596.91 = 1,667,783.78 : x
  2. Step 2: Convert to fraction form
    2,947,966.10/4,419,596.91 = 1,667,783.78/x
  3. Step 3: Cross multiply
    2,947,966.10x = 4,419,596.91 × 1,667,783.78
  4. Step 4: Simplify right side
    2,947,966.10x = 7,370,932,040,636.12
  5. Step 5: Solve for x
    x = 7,370,932,040,636.12/2,947,966.10
  6. Step 6: Final answer
    x = 2,500,344.91

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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.