Finding the Fourth Proportional to 3,518,494.49, 4,853,018.76 and 3,229,040.99
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Solution
The fourth proportional to 3,518,494.49, 4,853,018.76 and 3,229,040.99 is: 4,453,778.89
Step by Step Solution
- Step 1: Write the proportion equation
3,518,494.49 : 4,853,018.76 = 3,229,040.99 : x - Step 2: Convert to fraction form
3,518,494.49/4,853,018.76 = 3,229,040.99/x - Step 3: Cross multiply
3,518,494.49x = 4,853,018.76 × 3,229,040.99 - Step 4: Simplify right side
3,518,494.49x = 15,670,596,501,278.97 - Step 5: Solve for x
x = 15,670,596,501,278.97/3,518,494.49 - Step 6: Final answer
x = 4,453,778.89
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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.