Home / 3,215,828.80-4,826,853.60-1,956,116.80

Finding the Fourth Proportional to 3,215,828.80, 4,826,853.60 and 1,956,116.80

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Solution

The fourth proportional to 3,215,828.80, 4,826,853.60 and 1,956,116.80 is: 2,936,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215,828.80 : 4,826,853.60 = 1,956,116.80 : x
  2. Step 2: Convert to fraction form
    3,215,828.80/4,826,853.60 = 1,956,116.80/x
  3. Step 3: Cross multiply
    3,215,828.80x = 4,826,853.60 × 1,956,116.80
  4. Step 4: Simplify right side
    3,215,828.80x = 9,441,889,418,100.48
  5. Step 5: Solve for x
    x = 9,441,889,418,100.48/3,215,828.80
  6. Step 6: Final answer
    x = 2,936,067.19

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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.