Finding the Fourth Proportional to 5,988,106.50, 8,263,578.86 and 3,409,787.28
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Solution
The fourth proportional to 5,988,106.50, 8,263,578.86 and 3,409,787.28 is: 4,705,501.83
Step by Step Solution
- Step 1: Write the proportion equation
5,988,106.50 : 8,263,578.86 = 3,409,787.28 : x - Step 2: Convert to fraction form
5,988,106.50/8,263,578.86 = 3,409,787.28/x - Step 3: Cross multiply
5,988,106.50x = 8,263,578.86 × 3,409,787.28 - Step 4: Simplify right side
5,988,106.50x = 28,177,046,067,055.96 - Step 5: Solve for x
x = 28,177,046,067,055.96/5,988,106.50 - Step 6: Final answer
x = 4,705,501.83
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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.