Home / 2,119,846.86-3,172,421.97-2,031,667.02

Finding the Fourth Proportional to 2,119,846.86, 3,172,421.97 and 2,031,667.02

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Solution

The fourth proportional to 2,119,846.86, 3,172,421.97 and 2,031,667.02 is: 3,040,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,846.86 : 3,172,421.97 = 2,031,667.02 : x
  2. Step 2: Convert to fraction form
    2,119,846.86/3,172,421.97 = 2,031,667.02/x
  3. Step 3: Cross multiply
    2,119,846.86x = 3,172,421.97 × 2,031,667.02
  4. Step 4: Simplify right side
    2,119,846.86x = 6,445,305,089,972.43
  5. Step 5: Solve for x
    x = 6,445,305,089,972.43/2,119,846.86
  6. Step 6: Final answer
    x = 3,040,457.88

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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.