Home / 3,560,112.74-4,912,979.20-1,928,520.23

Finding the Fourth Proportional to 3,560,112.74, 4,912,979.20 and 1,928,520.23

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Solution

The fourth proportional to 3,560,112.74, 4,912,979.20 and 1,928,520.23 is: 2,661,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560,112.74 : 4,912,979.20 = 1,928,520.23 : x
  2. Step 2: Convert to fraction form
    3,560,112.74/4,912,979.20 = 1,928,520.23/x
  3. Step 3: Cross multiply
    3,560,112.74x = 4,912,979.20 × 1,928,520.23
  4. Step 4: Simplify right side
    3,560,112.74x = 9,474,779,747,383.02
  5. Step 5: Solve for x
    x = 9,474,779,747,383.02/3,560,112.74
  6. Step 6: Final answer
    x = 2,661,370.70

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1.5x scale

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.