Finding the Fourth Proportional to 3,796,157.12, 5,238,682.68 and 2,053,820.96
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Solution
The fourth proportional to 3,796,157.12, 5,238,682.68 and 2,053,820.96 is: 2,834,265.27
Step by Step Solution
- Step 1: Write the proportion equation
3,796,157.12 : 5,238,682.68 = 2,053,820.96 : x - Step 2: Convert to fraction form
3,796,157.12/5,238,682.68 = 2,053,820.96/x - Step 3: Cross multiply
3,796,157.12x = 5,238,682.68 × 2,053,820.96 - Step 4: Simplify right side
3,796,157.12x = 10,759,316,290,972.97 - Step 5: Solve for x
x = 10,759,316,290,972.97/3,796,157.12 - Step 6: Final answer
x = 2,834,265.27
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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.