Home / 6,410,919.20-9,616,378.80-1,923,195.20

Finding the Fourth Proportional to 6,410,919.20, 9,616,378.80 and 1,923,195.20

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Solution

The fourth proportional to 6,410,919.20, 9,616,378.80 and 1,923,195.20 is: 2,884,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410,919.20 : 9,616,378.80 = 1,923,195.20 : x
  2. Step 2: Convert to fraction form
    6,410,919.20/9,616,378.80 = 1,923,195.20/x
  3. Step 3: Cross multiply
    6,410,919.20x = 9,616,378.80 × 1,923,195.20
  4. Step 4: Simplify right side
    6,410,919.20x = 18,494,173,549,541.76
  5. Step 5: Solve for x
    x = 18,494,173,549,541.76/6,410,919.20
  6. Step 6: Final answer
    x = 2,884,792.80

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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.