Finding the Fourth Proportional to 5,010,974.42, 6,915,163.04 and 2,719,135.04
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Solution
The fourth proportional to 5,010,974.42, 6,915,163.04 and 2,719,135.04 is: 3,752,416.31
Step by Step Solution
- Step 1: Write the proportion equation
5,010,974.42 : 6,915,163.04 = 2,719,135.04 : x - Step 2: Convert to fraction form
5,010,974.42/6,915,163.04 = 2,719,135.04/x - Step 3: Cross multiply
5,010,974.42x = 6,915,163.04 × 2,719,135.04 - Step 4: Simplify right side
5,010,974.42x = 18,803,262,129,376.92 - Step 5: Solve for x
x = 18,803,262,129,376.92/5,010,974.42 - Step 6: Final answer
x = 3,752,416.31
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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.