Finding the Fourth Proportional to 3,520,770.18, 4,858,740.09 and 2,144,178.42
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Solution
The fourth proportional to 3,520,770.18, 4,858,740.09 and 2,144,178.42 is: 2,959,013.26
Step by Step Solution
- Step 1: Write the proportion equation
3,520,770.18 : 4,858,740.09 = 2,144,178.42 : x - Step 2: Convert to fraction form
3,520,770.18/4,858,740.09 = 2,144,178.42/x - Step 3: Cross multiply
3,520,770.18x = 4,858,740.09 × 2,144,178.42 - Step 4: Simplify right side
3,520,770.18x = 10,418,005,649,366.86 - Step 5: Solve for x
x = 10,418,005,649,366.86/3,520,770.18 - Step 6: Final answer
x = 2,959,013.26
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1.5x scale
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.