Home / 3,185,958.40-4,771,064.40-2,115,203.20

Finding the Fourth Proportional to 3,185,958.40, 4,771,064.40 and 2,115,203.20

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Solution

The fourth proportional to 3,185,958.40, 4,771,064.40 and 2,115,203.20 is: 3,167,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185,958.40 : 4,771,064.40 = 2,115,203.20 : x
  2. Step 2: Convert to fraction form
    3,185,958.40/4,771,064.40 = 2,115,203.20/x
  3. Step 3: Cross multiply
    3,185,958.40x = 4,771,064.40 × 2,115,203.20
  4. Step 4: Simplify right side
    3,185,958.40x = 10,091,770,686,286.08
  5. Step 5: Solve for x
    x = 10,091,770,686,286.08/3,185,958.40
  6. Step 6: Final answer
    x = 3,167,577.67

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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.