Finding the Fourth Proportional to 3,393,077.84, 4,680,886.69 and 3,006,288.06
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Solution
The fourth proportional to 3,393,077.84, 4,680,886.69 and 3,006,288.06 is: 4,147,294.70
Step by Step Solution
- Step 1: Write the proportion equation
3,393,077.84 : 4,680,886.69 = 3,006,288.06 : x - Step 2: Convert to fraction form
3,393,077.84/4,680,886.69 = 3,006,288.06/x - Step 3: Cross multiply
3,393,077.84x = 4,680,886.69 × 3,006,288.06 - Step 4: Simplify right side
3,393,077.84x = 14,072,093,727,924.05 - Step 5: Solve for x
x = 14,072,093,727,924.05/3,393,077.84 - Step 6: Final answer
x = 4,147,294.70
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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.