Home / 3,972,789.90-5,959,142.60-2,630,956.05

Finding the Fourth Proportional to 3,972,789.90, 5,959,142.60 and 2,630,956.05

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Solution

The fourth proportional to 3,972,789.90, 5,959,142.60 and 2,630,956.05 is: 3,946,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972,789.90 : 5,959,142.60 = 2,630,956.05 : x
  2. Step 2: Convert to fraction form
    3,972,789.90/5,959,142.60 = 2,630,956.05/x
  3. Step 3: Cross multiply
    3,972,789.90x = 5,959,142.60 × 2,630,956.05
  4. Step 4: Simplify right side
    3,972,789.90x = 15,678,242,263,127.95
  5. Step 5: Solve for x
    x = 15,678,242,263,127.95/3,972,789.90
  6. Step 6: Final answer
    x = 3,946,406.09

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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.