Finding the Fourth Proportional to 5,373,936.23, 7,415,695.82 and 2,959,488.23
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Solution
The fourth proportional to 5,373,936.23, 7,415,695.82 and 2,959,488.23 is: 4,083,908.62
Step by Step Solution
- Step 1: Write the proportion equation
5,373,936.23 : 7,415,695.82 = 2,959,488.23 : x - Step 2: Convert to fraction form
5,373,936.23/7,415,695.82 = 2,959,488.23/x - Step 3: Cross multiply
5,373,936.23x = 7,415,695.82 × 2,959,488.23 - Step 4: Simplify right side
5,373,936.23x = 21,946,664,481,752.76 - Step 5: Solve for x
x = 21,946,664,481,752.76/5,373,936.23 - Step 6: Final answer
x = 4,083,908.62
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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.