Finding the Fourth Proportional to 3,690,400.17, 5,531,112.34 and 2,611,223.65
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Solution
The fourth proportional to 3,690,400.17, 5,531,112.34 and 2,611,223.65 is: 3,913,659.95
Step by Step Solution
- Step 1: Write the proportion equation
3,690,400.17 : 5,531,112.34 = 2,611,223.65 : x - Step 2: Convert to fraction form
3,690,400.17/5,531,112.34 = 2,611,223.65/x - Step 3: Cross multiply
3,690,400.17x = 5,531,112.34 × 2,611,223.65 - Step 4: Simplify right side
3,690,400.17x = 14,442,971,339,958.72 - Step 5: Solve for x
x = 14,442,971,339,958.72/3,690,400.17 - Step 6: Final answer
x = 3,913,659.95
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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.