Finding the Fourth Proportional to 2,414,116.80, 3,331,770.84 and 1,447,778.70
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Solution
The fourth proportional to 2,414,116.80, 3,331,770.84 and 1,447,778.70 is: 1,998,108.32
Step by Step Solution
- Step 1: Write the proportion equation
2,414,116.80 : 3,331,770.84 = 1,447,778.70 : x - Step 2: Convert to fraction form
2,414,116.80/3,331,770.84 = 1,447,778.70/x - Step 3: Cross multiply
2,414,116.80x = 3,331,770.84 × 1,447,778.70 - Step 4: Simplify right side
2,414,116.80x = 4,823,666,855,433.11 - Step 5: Solve for x
x = 4,823,666,855,433.11/2,414,116.80 - Step 6: Final answer
x = 1,998,108.32
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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.