Home / 4,678,932.28-7,019,067.06-1,440,743.44

Finding the Fourth Proportional to 4,678,932.28, 7,019,067.06 and 1,440,743.44

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Solution

The fourth proportional to 4,678,932.28, 7,019,067.06 and 1,440,743.44 is: 2,161,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,932.28 : 7,019,067.06 = 1,440,743.44 : x
  2. Step 2: Convert to fraction form
    4,678,932.28/7,019,067.06 = 1,440,743.44/x
  3. Step 3: Cross multiply
    4,678,932.28x = 7,019,067.06 × 1,440,743.44
  4. Step 4: Simplify right side
    4,678,932.28x = 10,112,674,821,615.09
  5. Step 5: Solve for x
    x = 10,112,674,821,615.09/4,678,932.28
  6. Step 6: Final answer
    x = 2,161,321.05

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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.