Finding the Fourth Proportional to 6,511,496.40, 9,764,479.80 and 3,146,734.80
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Solution
The fourth proportional to 6,511,496.40, 9,764,479.80 and 3,146,734.80 is: 4,718,766.09
Step by Step Solution
- Step 1: Write the proportion equation
6,511,496.40 : 9,764,479.80 = 3,146,734.80 : x - Step 2: Convert to fraction form
6,511,496.40/9,764,479.80 = 3,146,734.80/x - Step 3: Cross multiply
6,511,496.40x = 9,764,479.80 × 3,146,734.80 - Step 4: Simplify right side
6,511,496.40x = 30,726,228,390,557.04 - Step 5: Solve for x
x = 30,726,228,390,557.04/6,511,496.40 - Step 6: Final answer
x = 4,718,766.09
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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.