Finding the Fourth Proportional to 6,396,549.75, 9,596,486.84 and 1,908,825.75
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Solution
The fourth proportional to 6,396,549.75, 9,596,486.84 and 1,908,825.75 is: 2,863,734.65
Step by Step Solution
- Step 1: Write the proportion equation
6,396,549.75 : 9,596,486.84 = 1,908,825.75 : x - Step 2: Convert to fraction form
6,396,549.75/9,596,486.84 = 1,908,825.75/x - Step 3: Cross multiply
6,396,549.75x = 9,596,486.84 × 1,908,825.75 - Step 4: Simplify right side
6,396,549.75x = 18,318,021,180,184.00 - Step 5: Solve for x
x = 18,318,021,180,184.00/6,396,549.75 - Step 6: Final answer
x = 2,863,734.65
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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.