Finding the Fourth Proportional to 3,922,374.08, 5,413,014.99 and 2,180,078.19
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Solution
The fourth proportional to 3,922,374.08, 5,413,014.99 and 2,180,078.19 is: 3,008,585.03
Step by Step Solution
- Step 1: Write the proportion equation
3,922,374.08 : 5,413,014.99 = 2,180,078.19 : x - Step 2: Convert to fraction form
3,922,374.08/5,413,014.99 = 2,180,078.19/x - Step 3: Cross multiply
3,922,374.08x = 5,413,014.99 × 2,180,078.19 - Step 4: Simplify right side
3,922,374.08x = 11,800,795,921,842.07 - Step 5: Solve for x
x = 11,800,795,921,842.07/3,922,374.08 - Step 6: Final answer
x = 3,008,585.03
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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.