Home / 3,217,930.40-4,828,668.60-1,956,643.76

Finding the Fourth Proportional to 3,217,930.40, 4,828,668.60 and 1,956,643.76

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Solution

The fourth proportional to 3,217,930.40, 4,828,668.60 and 1,956,643.76 is: 2,936,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,930.40 : 4,828,668.60 = 1,956,643.76 : x
  2. Step 2: Convert to fraction form
    3,217,930.40/4,828,668.60 = 1,956,643.76/x
  3. Step 3: Cross multiply
    3,217,930.40x = 4,828,668.60 × 1,956,643.76
  4. Step 4: Simplify right side
    3,217,930.40x = 9,447,984,285,297.94
  5. Step 5: Solve for x
    x = 9,447,984,285,297.94/3,217,930.40
  6. Step 6: Final answer
    x = 2,936,043.70

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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.