Finding the Fourth Proportional to 2,059,213.64, 3,086,130.36 and 1,148,359.76
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Solution
The fourth proportional to 2,059,213.64, 3,086,130.36 and 1,148,359.76 is: 1,721,039.45
Step by Step Solution
- Step 1: Write the proportion equation
2,059,213.64 : 3,086,130.36 = 1,148,359.76 : x - Step 2: Convert to fraction form
2,059,213.64/3,086,130.36 = 1,148,359.76/x - Step 3: Cross multiply
2,059,213.64x = 3,086,130.36 × 1,148,359.76 - Step 4: Simplify right side
2,059,213.64x = 3,543,987,904,107.66 - Step 5: Solve for x
x = 3,543,987,904,107.66/2,059,213.64 - Step 6: Final answer
x = 1,721,039.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.