Finding the Fourth Proportional to 3,119,084.58, 4,304,096.49 and 1,761,091.62
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Solution
The fourth proportional to 3,119,084.58, 4,304,096.49 and 1,761,091.62 is: 2,430,170.80
Step by Step Solution
- Step 1: Write the proportion equation
3,119,084.58 : 4,304,096.49 = 1,761,091.62 : x - Step 2: Convert to fraction form
3,119,084.58/4,304,096.49 = 1,761,091.62/x - Step 3: Cross multiply
3,119,084.58x = 4,304,096.49 × 1,761,091.62 - Step 4: Simplify right side
3,119,084.58x = 7,579,908,260,210.42 - Step 5: Solve for x
x = 7,579,908,260,210.42/3,119,084.58 - Step 6: Final answer
x = 2,430,170.80
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1.5x scale
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.