Home / 6,321,081.60-8,723,031.84-3,420,408.96

Finding the Fourth Proportional to 6,321,081.60, 8,723,031.84 and 3,420,408.96

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Solution

The fourth proportional to 6,321,081.60, 8,723,031.84 and 3,420,408.96 is: 4,720,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,081.60 : 8,723,031.84 = 3,420,408.96 : x
  2. Step 2: Convert to fraction form
    6,321,081.60/8,723,031.84 = 3,420,408.96/x
  3. Step 3: Cross multiply
    6,321,081.60x = 8,723,031.84 × 3,420,408.96
  4. Step 4: Simplify right side
    6,321,081.60x = 29,836,336,263,901.29
  5. Step 5: Solve for x
    x = 29,836,336,263,901.29/6,321,081.60
  6. Step 6: Final answer
    x = 4,720,131.48

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1.5x scale

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.