Finding the Fourth Proportional to 3,229,686.18, 4,844,368.22 and 1,207,781.42
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Solution
The fourth proportional to 3,229,686.18, 4,844,368.22 and 1,207,781.42 is: 1,811,611.89
Step by Step Solution
- Step 1: Write the proportion equation
3,229,686.18 : 4,844,368.22 = 1,207,781.42 : x - Step 2: Convert to fraction form
3,229,686.18/4,844,368.22 = 1,207,781.42/x - Step 3: Cross multiply
3,229,686.18x = 4,844,368.22 × 1,207,781.42 - Step 4: Simplify right side
3,229,686.18x = 5,850,937,897,493.73 - Step 5: Solve for x
x = 5,850,937,897,493.73/3,229,686.18 - Step 6: Final answer
x = 1,811,611.89
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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.