Home / 3,196,856.40-4,789,063.80-1,930,923.60

Finding the Fourth Proportional to 3,196,856.40, 4,789,063.80 and 1,930,923.60

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Solution

The fourth proportional to 3,196,856.40, 4,789,063.80 and 1,930,923.60 is: 2,892,627.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196,856.40 : 4,789,063.80 = 1,930,923.60 : x
  2. Step 2: Convert to fraction form
    3,196,856.40/4,789,063.80 = 1,930,923.60/x
  3. Step 3: Cross multiply
    3,196,856.40x = 4,789,063.80 × 1,930,923.60
  4. Step 4: Simplify right side
    3,196,856.40x = 9,247,316,313,325.68
  5. Step 5: Solve for x
    x = 9,247,316,313,325.68/3,196,856.40
  6. Step 6: Final answer
    x = 2,892,627.99

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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.