Home / 3,840,555.32-5,299,873.26-2,121,840.44

Finding the Fourth Proportional to 3,840,555.32, 5,299,873.26 and 2,121,840.44

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Solution

The fourth proportional to 3,840,555.32, 5,299,873.26 and 2,121,840.44 is: 2,928,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,555.32 : 5,299,873.26 = 2,121,840.44 : x
  2. Step 2: Convert to fraction form
    3,840,555.32/5,299,873.26 = 2,121,840.44/x
  3. Step 3: Cross multiply
    3,840,555.32x = 5,299,873.26 × 2,121,840.44
  4. Step 4: Simplify right side
    3,840,555.32x = 11,245,485,409,942.63
  5. Step 5: Solve for x
    x = 11,245,485,409,942.63/3,840,555.32
  6. Step 6: Final answer
    x = 2,928,088.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.