Finding the Fourth Proportional to 4,260,859.51, 5,879,976.74 and 2,327,120.19
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Solution
The fourth proportional to 4,260,859.51, 5,879,976.74 and 2,327,120.19 is: 3,211,420.73
Step by Step Solution
- Step 1: Write the proportion equation
4,260,859.51 : 5,879,976.74 = 2,327,120.19 : x - Step 2: Convert to fraction form
4,260,859.51/5,879,976.74 = 2,327,120.19/x - Step 3: Cross multiply
4,260,859.51x = 5,879,976.74 × 2,327,120.19 - Step 4: Simplify right side
4,260,859.51x = 13,683,412,558,984.50 - Step 5: Solve for x
x = 13,683,412,558,984.50/4,260,859.51 - Step 6: Final answer
x = 3,211,420.73
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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.