Home / 7,297,958.40-10,946,937.60-1,979,174.40

Finding the Fourth Proportional to 7,297,958.40, 10,946,937.60 and 1,979,174.40

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Solution

The fourth proportional to 7,297,958.40, 10,946,937.60 and 1,979,174.40 is: 2,968,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297,958.40 : 10,946,937.60 = 1,979,174.40 : x
  2. Step 2: Convert to fraction form
    7,297,958.40/10,946,937.60 = 1,979,174.40/x
  3. Step 3: Cross multiply
    7,297,958.40x = 10,946,937.60 × 1,979,174.40
  4. Step 4: Simplify right side
    7,297,958.40x = 21,665,898,656,317.44
  5. Step 5: Solve for x
    x = 21,665,898,656,317.44/7,297,958.40
  6. Step 6: Final answer
    x = 2,968,761.60

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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.