Finding the Fourth Proportional to 3,391,211.68, 4,676,665.62 and 2,227,604.92
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Solution
The fourth proportional to 3,391,211.68, 4,676,665.62 and 2,227,604.92 is: 3,071,988.52
Step by Step Solution
- Step 1: Write the proportion equation
3,391,211.68 : 4,676,665.62 = 2,227,604.92 : x - Step 2: Convert to fraction form
3,391,211.68/4,676,665.62 = 2,227,604.92/x - Step 3: Cross multiply
3,391,211.68x = 4,676,665.62 × 2,227,604.92 - Step 4: Simplify right side
3,391,211.68x = 10,417,763,344,306.85 - Step 5: Solve for x
x = 10,417,763,344,306.85/3,391,211.68 - Step 6: Final answer
x = 3,071,988.52
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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.