Finding the Fourth Proportional to 6,906,815.75, 10,367,409.45 and 5,087,235.26
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Solution
The fourth proportional to 6,906,815.75, 10,367,409.45 and 5,087,235.26 is: 7,636,145.63
Step by Step Solution
- Step 1: Write the proportion equation
6,906,815.75 : 10,367,409.45 = 5,087,235.26 : x - Step 2: Convert to fraction form
6,906,815.75/10,367,409.45 = 5,087,235.26/x - Step 3: Cross multiply
6,906,815.75x = 10,367,409.45 × 5,087,235.26 - Step 4: Simplify right side
6,906,815.75x = 52,741,450,908,897.20 - Step 5: Solve for x
x = 52,741,450,908,897.20/6,906,815.75 - Step 6: Final answer
x = 7,636,145.63
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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.