Finding the Fourth Proportional to 3,930,350.17, 5,423,989.26 and 2,211,531.79
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Solution
The fourth proportional to 3,930,350.17, 5,423,989.26 and 2,211,531.79 is: 3,051,973.53
Step by Step Solution
- Step 1: Write the proportion equation
3,930,350.17 : 5,423,989.26 = 2,211,531.79 : x - Step 2: Convert to fraction form
3,930,350.17/5,423,989.26 = 2,211,531.79/x - Step 3: Cross multiply
3,930,350.17x = 5,423,989.26 × 2,211,531.79 - Step 4: Simplify right side
3,930,350.17x = 11,995,324,677,108.57 - Step 5: Solve for x
x = 11,995,324,677,108.57/3,930,350.17 - Step 6: Final answer
x = 3,051,973.53
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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.