Finding the Fourth Proportional to 6,317,121.36, 8,717,627.48 and 3,416,512.23
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Solution
The fourth proportional to 6,317,121.36, 8,717,627.48 and 3,416,512.23 is: 4,714,786.88
Step by Step Solution
- Step 1: Write the proportion equation
6,317,121.36 : 8,717,627.48 = 3,416,512.23 : x - Step 2: Convert to fraction form
6,317,121.36/8,717,627.48 = 3,416,512.23/x - Step 3: Cross multiply
6,317,121.36x = 8,717,627.48 × 3,416,512.23 - Step 4: Simplify right side
6,317,121.36x = 29,783,880,884,921.52 - Step 5: Solve for x
x = 29,783,880,884,921.52/6,317,121.36 - Step 6: Final answer
x = 4,714,786.88
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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.