Finding the Fourth Proportional to 3,925,943.82, 5,888,906.70 and 1,230,474.42
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Solution
The fourth proportional to 3,925,943.82, 5,888,906.70 and 1,230,474.42 is: 1,845,708.80
Step by Step Solution
- Step 1: Write the proportion equation
3,925,943.82 : 5,888,906.70 = 1,230,474.42 : x - Step 2: Convert to fraction form
3,925,943.82/5,888,906.70 = 1,230,474.42/x - Step 3: Cross multiply
3,925,943.82x = 5,888,906.70 × 1,230,474.42 - Step 4: Simplify right side
3,925,943.82x = 7,246,149,056,116.61 - Step 5: Solve for x
x = 7,246,149,056,116.61/3,925,943.82 - Step 6: Final answer
x = 1,845,708.80
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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.