Finding the Fourth Proportional to 1,588,532.21, 2,192,189.16 and 863,381.73
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Solution
The fourth proportional to 1,588,532.21, 2,192,189.16 and 863,381.73 is: 1,191,474.79
Step by Step Solution
- Step 1: Write the proportion equation
1,588,532.21 : 2,192,189.16 = 863,381.73 : x - Step 2: Convert to fraction form
1,588,532.21/2,192,189.16 = 863,381.73/x - Step 3: Cross multiply
1,588,532.21x = 2,192,189.16 × 863,381.73 - Step 4: Simplify right side
1,588,532.21x = 1,892,696,080,906.44 - Step 5: Solve for x
x = 1,892,696,080,906.44/1,588,532.21 - Step 6: Final answer
x = 1,191,474.79
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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.