Finding the Fourth Proportional to 3,927,795.07, 5,891,447.94 and 1,879,910.14
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Solution
The fourth proportional to 3,927,795.07, 5,891,447.94 and 1,879,910.14 is: 2,819,748.11
Step by Step Solution
- Step 1: Write the proportion equation
3,927,795.07 : 5,891,447.94 = 1,879,910.14 : x - Step 2: Convert to fraction form
3,927,795.07/5,891,447.94 = 1,879,910.14/x - Step 3: Cross multiply
3,927,795.07x = 5,891,447.94 × 1,879,910.14 - Step 4: Simplify right side
3,927,795.07x = 11,075,392,721,688.11 - Step 5: Solve for x
x = 11,075,392,721,688.11/3,927,795.07 - Step 6: Final answer
x = 2,819,748.11
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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.