Finding the Fourth Proportional to 6,102,092.94, 8,420,331.72 and 3,620,886.09
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Solution
The fourth proportional to 6,102,092.94, 8,420,331.72 and 3,620,886.09 is: 4,996,492.56
Step by Step Solution
- Step 1: Write the proportion equation
6,102,092.94 : 8,420,331.72 = 3,620,886.09 : x - Step 2: Convert to fraction form
6,102,092.94/8,420,331.72 = 3,620,886.09/x - Step 3: Cross multiply
6,102,092.94x = 8,420,331.72 × 3,620,886.09 - Step 4: Simplify right side
6,102,092.94x = 30,489,061,998,133.78 - Step 5: Solve for x
x = 30,489,061,998,133.78/6,102,092.94 - Step 6: Final answer
x = 4,996,492.56
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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.