Finding the Fourth Proportional to 3,948,242.13, 5,449,030.79 and 2,399,583.69
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Solution
The fourth proportional to 3,948,242.13, 5,449,030.79 and 2,399,583.69 is: 3,311,703.02
Step by Step Solution
- Step 1: Write the proportion equation
3,948,242.13 : 5,449,030.79 = 2,399,583.69 : x - Step 2: Convert to fraction form
3,948,242.13/5,449,030.79 = 2,399,583.69/x - Step 3: Cross multiply
3,948,242.13x = 5,449,030.79 × 2,399,583.69 - Step 4: Simplify right side
3,948,242.13x = 13,075,405,397,993.90 - Step 5: Solve for x
x = 13,075,405,397,993.90/3,948,242.13 - Step 6: Final answer
x = 3,311,703.02
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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.