Home / 5,615,727.12-7,749,704.88-3,168,856.72

Finding the Fourth Proportional to 5,615,727.12, 7,749,704.88 and 3,168,856.72

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Solution

The fourth proportional to 5,615,727.12, 7,749,704.88 and 3,168,856.72 is: 4,373,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,727.12 : 7,749,704.88 = 3,168,856.72 : x
  2. Step 2: Convert to fraction form
    5,615,727.12/7,749,704.88 = 3,168,856.72/x
  3. Step 3: Cross multiply
    5,615,727.12x = 7,749,704.88 × 3,168,856.72
  4. Step 4: Simplify right side
    5,615,727.12x = 24,557,704,387,004.79
  5. Step 5: Solve for x
    x = 24,557,704,387,004.79/5,615,727.12
  6. Step 6: Final answer
    x = 4,373,023.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.