Finding the Fourth Proportional to 4,042,391.85, 5,577,971.34 and 2,410,990.68
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Solution
The fourth proportional to 4,042,391.85, 5,577,971.34 and 2,410,990.68 is: 3,326,851.38
Step by Step Solution
- Step 1: Write the proportion equation
4,042,391.85 : 5,577,971.34 = 2,410,990.68 : x - Step 2: Convert to fraction form
4,042,391.85/5,577,971.34 = 2,410,990.68/x - Step 3: Cross multiply
4,042,391.85x = 5,577,971.34 × 2,410,990.68 - Step 4: Simplify right side
4,042,391.85x = 13,448,436,914,047.11 - Step 5: Solve for x
x = 13,448,436,914,047.11/4,042,391.85 - Step 6: Final answer
x = 3,326,851.38
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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.