Finding the Fourth Proportional to 2,558,108.21, 3,530,200.61 and 1,412,197.97
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Solution
The fourth proportional to 2,558,108.21, 3,530,200.61 and 1,412,197.97 is: 1,948,839.42
Step by Step Solution
- Step 1: Write the proportion equation
2,558,108.21 : 3,530,200.61 = 1,412,197.97 : x - Step 2: Convert to fraction form
2,558,108.21/3,530,200.61 = 1,412,197.97/x - Step 3: Cross multiply
2,558,108.21x = 3,530,200.61 × 1,412,197.97 - Step 4: Simplify right side
2,558,108.21x = 4,985,342,128,073.77 - Step 5: Solve for x
x = 4,985,342,128,073.77/2,558,108.21 - Step 6: Final answer
x = 1,948,839.42
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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.