Finding the Fourth Proportional to 4,313,616.80, 6,467,314.80 and 2,420,938.40
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Solution
The fourth proportional to 4,313,616.80, 6,467,314.80 and 2,420,938.40 is: 3,629,661.94
Step by Step Solution
- Step 1: Write the proportion equation
4,313,616.80 : 6,467,314.80 = 2,420,938.40 : x - Step 2: Convert to fraction form
4,313,616.80/6,467,314.80 = 2,420,938.40/x - Step 3: Cross multiply
4,313,616.80x = 6,467,314.80 × 2,420,938.40 - Step 4: Simplify right side
4,313,616.80x = 15,656,970,744,208.32 - Step 5: Solve for x
x = 15,656,970,744,208.32/4,313,616.80 - Step 6: Final answer
x = 3,629,661.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.