Finding the Fourth Proportional to 4,338,959.19, 5,987,812.31 and 2,478,620.98
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Solution
The fourth proportional to 4,338,959.19, 5,987,812.31 and 2,478,620.98 is: 3,420,524.73
Step by Step Solution
- Step 1: Write the proportion equation
4,338,959.19 : 5,987,812.31 = 2,478,620.98 : x - Step 2: Convert to fraction form
4,338,959.19/5,987,812.31 = 2,478,620.98/x - Step 3: Cross multiply
4,338,959.19x = 5,987,812.31 × 2,478,620.98 - Step 4: Simplify right side
4,338,959.19x = 14,841,517,215,868.26 - Step 5: Solve for x
x = 14,841,517,215,868.26/4,338,959.19 - Step 6: Final answer
x = 3,420,524.73
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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.