Home / 6,463,540.80-9,680,342.40-3,219,168.96

Finding the Fourth Proportional to 6,463,540.80, 9,680,342.40 and 3,219,168.96

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Solution

The fourth proportional to 6,463,540.80, 9,680,342.40 and 3,219,168.96 is: 4,821,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,540.80 : 9,680,342.40 = 3,219,168.96 : x
  2. Step 2: Convert to fraction form
    6,463,540.80/9,680,342.40 = 3,219,168.96/x
  3. Step 3: Cross multiply
    6,463,540.80x = 9,680,342.40 × 3,219,168.96
  4. Step 4: Simplify right side
    6,463,540.80x = 31,162,657,776,251.91
  5. Step 5: Solve for x
    x = 31,162,657,776,251.91/6,463,540.80
  6. Step 6: Final answer
    x = 4,821,298.22

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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.