Finding the Fourth Proportional to 6,902,811.39, 10,354,217.09 and 2,110,500.66
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Solution
The fourth proportional to 6,902,811.39, 10,354,217.09 and 2,110,500.66 is: 3,165,750.99
Step by Step Solution
- Step 1: Write the proportion equation
6,902,811.39 : 10,354,217.09 = 2,110,500.66 : x - Step 2: Convert to fraction form
6,902,811.39/10,354,217.09 = 2,110,500.66/x - Step 3: Cross multiply
6,902,811.39x = 10,354,217.09 × 2,110,500.66 - Step 4: Simplify right side
6,902,811.39x = 21,852,581,991,675.78 - Step 5: Solve for x
x = 21,852,581,991,675.78/6,902,811.39 - Step 6: Final answer
x = 3,165,750.99
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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.