Finding the Fourth Proportional to 8,611,425.39, 12,919,661.49 and 2,546,314.99
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Solution
The fourth proportional to 8,611,425.39, 12,919,661.49 and 2,546,314.99 is: 3,820,218.63
Step by Step Solution
- Step 1: Write the proportion equation
8,611,425.39 : 12,919,661.49 = 2,546,314.99 : x - Step 2: Convert to fraction form
8,611,425.39/12,919,661.49 = 2,546,314.99/x - Step 3: Cross multiply
8,611,425.39x = 12,919,661.49 × 2,546,314.99 - Step 4: Simplify right side
8,611,425.39x = 32,897,527,694,962.26 - Step 5: Solve for x
x = 32,897,527,694,962.26/8,611,425.39 - Step 6: Final answer
x = 3,820,218.63
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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.