Finding the Fourth Proportional to 6,145,635.09, 8,480,975.14 and 3,392,321.77
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Solution
The fourth proportional to 6,145,635.09, 8,480,975.14 and 3,392,321.77 is: 4,681,403.33
Step by Step Solution
- Step 1: Write the proportion equation
6,145,635.09 : 8,480,975.14 = 3,392,321.77 : x - Step 2: Convert to fraction form
6,145,635.09/8,480,975.14 = 3,392,321.77/x - Step 3: Cross multiply
6,145,635.09x = 8,480,975.14 × 3,392,321.77 - Step 4: Simplify right side
6,145,635.09x = 28,770,196,598,250.80 - Step 5: Solve for x
x = 28,770,196,598,250.80/6,145,635.09 - Step 6: Final answer
x = 4,681,403.33
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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.