Finding the Fourth Proportional to 5,705,446.86, 7,873,415.19 and 3,383,902.62
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Solution
The fourth proportional to 5,705,446.86, 7,873,415.19 and 3,383,902.62 is: 4,669,725.43
Step by Step Solution
- Step 1: Write the proportion equation
5,705,446.86 : 7,873,415.19 = 3,383,902.62 : x - Step 2: Convert to fraction form
5,705,446.86/7,873,415.19 = 3,383,902.62/x - Step 3: Cross multiply
5,705,446.86x = 7,873,415.19 × 3,383,902.62 - Step 4: Simplify right side
5,705,446.86x = 26,642,870,289,788.80 - Step 5: Solve for x
x = 26,642,870,289,788.80/5,705,446.86 - Step 6: Final answer
x = 4,669,725.43
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1.5x scale
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.