Home / 4,536,619.20-6,804,928.80-4,190,198.40

Finding the Fourth Proportional to 4,536,619.20, 6,804,928.80 and 4,190,198.40

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Solution

The fourth proportional to 4,536,619.20, 6,804,928.80 and 4,190,198.40 is: 6,285,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,536,619.20 : 6,804,928.80 = 4,190,198.40 : x
  2. Step 2: Convert to fraction form
    4,536,619.20/6,804,928.80 = 4,190,198.40/x
  3. Step 3: Cross multiply
    4,536,619.20x = 6,804,928.80 × 4,190,198.40
  4. Step 4: Simplify right side
    4,536,619.20x = 28,514,001,769,873.92
  5. Step 5: Solve for x
    x = 28,514,001,769,873.92/4,536,619.20
  6. Step 6: Final answer
    x = 6,285,297.60

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1.5x scale

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.