Finding the Fourth Proportional to 6,907,618.08, 10,361,451.42 and 2,115,286.29
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Solution
The fourth proportional to 6,907,618.08, 10,361,451.42 and 2,115,286.29 is: 3,172,936.88
Step by Step Solution
- Step 1: Write the proportion equation
6,907,618.08 : 10,361,451.42 = 2,115,286.29 : x - Step 2: Convert to fraction form
6,907,618.08/10,361,451.42 = 2,115,286.29/x - Step 3: Cross multiply
6,907,618.08x = 10,361,451.42 × 2,115,286.29 - Step 4: Simplify right side
6,907,618.08x = 21,917,436,133,227.03 - Step 5: Solve for x
x = 21,917,436,133,227.03/6,907,618.08 - Step 6: Final answer
x = 3,172,936.88
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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.