Finding the Fourth Proportional to 3,652,190.64, 5,039,838.66 and 1,998,301.96
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Solution
The fourth proportional to 3,652,190.64, 5,039,838.66 and 1,998,301.96 is: 2,757,555.79
Step by Step Solution
- Step 1: Write the proportion equation
3,652,190.64 : 5,039,838.66 = 1,998,301.96 : x - Step 2: Convert to fraction form
3,652,190.64/5,039,838.66 = 1,998,301.96/x - Step 3: Cross multiply
3,652,190.64x = 5,039,838.66 × 1,998,301.96 - Step 4: Simplify right side
3,652,190.64x = 10,071,119,447,162.58 - Step 5: Solve for x
x = 10,071,119,447,162.58/3,652,190.64 - Step 6: Final answer
x = 2,757,555.79
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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.