Finding the Fourth Proportional to 4,399,770.20, 6,599,655.30 and 3,867,891.80
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Solution
The fourth proportional to 4,399,770.20, 6,599,655.30 and 3,867,891.80 is: 5,801,837.70
Step by Step Solution
- Step 1: Write the proportion equation
4,399,770.20 : 6,599,655.30 = 3,867,891.80 : x - Step 2: Convert to fraction form
4,399,770.20/6,599,655.30 = 3,867,891.80/x - Step 3: Cross multiply
4,399,770.20x = 6,599,655.30 × 3,867,891.80 - Step 4: Simplify right side
4,399,770.20x = 25,526,752,617,696.54 - Step 5: Solve for x
x = 25,526,752,617,696.54/4,399,770.20 - Step 6: Final answer
x = 5,801,837.70
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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.