Finding the Fourth Proportional to 3,572,163.99, 4,929,628.34 and 1,940,597.07
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Solution
The fourth proportional to 3,572,163.99, 4,929,628.34 and 1,940,597.07 is: 2,678,046.79
Step by Step Solution
- Step 1: Write the proportion equation
3,572,163.99 : 4,929,628.34 = 1,940,597.07 : x - Step 2: Convert to fraction form
3,572,163.99/4,929,628.34 = 1,940,597.07/x - Step 3: Cross multiply
3,572,163.99x = 4,929,628.34 × 1,940,597.07 - Step 4: Simplify right side
3,572,163.99x = 9,566,422,303,089.98 - Step 5: Solve for x
x = 9,566,422,303,089.98/3,572,163.99 - Step 6: Final answer
x = 2,678,046.79
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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.