Finding the Fourth Proportional to 3,284,377.60, 4,534,573.78 and 2,939,616.49
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Solution
The fourth proportional to 3,284,377.60, 4,534,573.78 and 2,939,616.49 is: 4,058,579.58
Step by Step Solution
- Step 1: Write the proportion equation
3,284,377.60 : 4,534,573.78 = 2,939,616.49 : x - Step 2: Convert to fraction form
3,284,377.60/4,534,573.78 = 2,939,616.49/x - Step 3: Cross multiply
3,284,377.60x = 4,534,573.78 × 2,939,616.49 - Step 4: Simplify right side
3,284,377.60x = 13,329,907,858,809.63 - Step 5: Solve for x
x = 13,329,907,858,809.63/3,284,377.60 - Step 6: Final answer
x = 4,058,579.58
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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.