Home / 4,215,286.96-6,322,946.80-1,020,407.92

Finding the Fourth Proportional to 4,215,286.96, 6,322,946.80 and 1,020,407.92

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Solution

The fourth proportional to 4,215,286.96, 6,322,946.80 and 1,020,407.92 is: 1,530,615.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215,286.96 : 6,322,946.80 = 1,020,407.92 : x
  2. Step 2: Convert to fraction form
    4,215,286.96/6,322,946.80 = 1,020,407.92/x
  3. Step 3: Cross multiply
    4,215,286.96x = 6,322,946.80 × 1,020,407.92
  4. Step 4: Simplify right side
    4,215,286.96x = 6,451,984,992,458.66
  5. Step 5: Solve for x
    x = 6,451,984,992,458.66/4,215,286.96
  6. Step 6: Final answer
    x = 1,530,615.84

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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.