Finding the Fourth Proportional to 5,649,699.48, 7,796,254.20 and 3,071,357.70
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Solution
The fourth proportional to 5,649,699.48, 7,796,254.20 and 3,071,357.70 is: 4,238,293.64
Step by Step Solution
- Step 1: Write the proportion equation
5,649,699.48 : 7,796,254.20 = 3,071,357.70 : x - Step 2: Convert to fraction form
5,649,699.48/7,796,254.20 = 3,071,357.70/x - Step 3: Cross multiply
5,649,699.48x = 7,796,254.20 × 3,071,357.70 - Step 4: Simplify right side
5,649,699.48x = 23,945,085,344,850.18 - Step 5: Solve for x
x = 23,945,085,344,850.18/5,649,699.48 - Step 6: Final answer
x = 4,238,293.64
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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.