Finding the Fourth Proportional to 4,922,975.44, 7,384,403.76 and 1,279,382.52
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Solution
The fourth proportional to 4,922,975.44, 7,384,403.76 and 1,279,382.52 is: 1,919,058.34
Step by Step Solution
- Step 1: Write the proportion equation
4,922,975.44 : 7,384,403.76 = 1,279,382.52 : x - Step 2: Convert to fraction form
4,922,975.44/7,384,403.76 = 1,279,382.52/x - Step 3: Cross multiply
4,922,975.44x = 7,384,403.76 × 1,279,382.52 - Step 4: Simplify right side
4,922,975.44x = 9,447,477,091,166.28 - Step 5: Solve for x
x = 9,447,477,091,166.28/4,922,975.44 - Step 6: Final answer
x = 1,919,058.34
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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.