Finding the Fourth Proportional to 6,036,639.68, 8,327,814.80 and 3,587,859.20
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Solution
The fourth proportional to 6,036,639.68, 8,327,814.80 and 3,587,859.20 is: 4,949,612.45
Step by Step Solution
- Step 1: Write the proportion equation
6,036,639.68 : 8,327,814.80 = 3,587,859.20 : x - Step 2: Convert to fraction form
6,036,639.68/8,327,814.80 = 3,587,859.20/x - Step 3: Cross multiply
6,036,639.68x = 8,327,814.80 × 3,587,859.20 - Step 4: Simplify right side
6,036,639.68x = 29,879,026,946,076.16 - Step 5: Solve for x
x = 29,879,026,946,076.16/6,036,639.68 - Step 6: Final answer
x = 4,949,612.45
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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.