Finding the Fourth Proportional to 3,458,758.62, 4,775,079.20 and 2,298,777.92
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Solution
The fourth proportional to 3,458,758.62, 4,775,079.20 and 2,298,777.92 is: 3,173,637.67
Step by Step Solution
- Step 1: Write the proportion equation
3,458,758.62 : 4,775,079.20 = 2,298,777.92 : x - Step 2: Convert to fraction form
3,458,758.62/4,775,079.20 = 2,298,777.92/x - Step 3: Cross multiply
3,458,758.62x = 4,775,079.20 × 2,298,777.92 - Step 4: Simplify right side
3,458,758.62x = 10,976,846,631,211.26 - Step 5: Solve for x
x = 10,976,846,631,211.26/3,458,758.62 - Step 6: Final answer
x = 3,173,637.67
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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.