Home / 2,979,416.40-4,469,124.60-1,086,219.60

Finding the Fourth Proportional to 2,979,416.40, 4,469,124.60 and 1,086,219.60

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Solution

The fourth proportional to 2,979,416.40, 4,469,124.60 and 1,086,219.60 is: 1,629,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,416.40 : 4,469,124.60 = 1,086,219.60 : x
  2. Step 2: Convert to fraction form
    2,979,416.40/4,469,124.60 = 1,086,219.60/x
  3. Step 3: Cross multiply
    2,979,416.40x = 4,469,124.60 × 1,086,219.60
  4. Step 4: Simplify right side
    2,979,416.40x = 4,854,450,735,362.16
  5. Step 5: Solve for x
    x = 4,854,450,735,362.16/2,979,416.40
  6. Step 6: Final answer
    x = 1,629,329.40

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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.