Finding the Fourth Proportional to 3,286,681.08, 4,926,755.66 and 2,287,309.56
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Solution
The fourth proportional to 3,286,681.08, 4,926,755.66 and 2,287,309.56 is: 3,428,691.45
Step by Step Solution
- Step 1: Write the proportion equation
3,286,681.08 : 4,926,755.66 = 2,287,309.56 : x - Step 2: Convert to fraction form
3,286,681.08/4,926,755.66 = 2,287,309.56/x - Step 3: Cross multiply
3,286,681.08x = 4,926,755.66 × 2,287,309.56 - Step 4: Simplify right side
3,286,681.08x = 11,269,015,320,902.11 - Step 5: Solve for x
x = 11,269,015,320,902.11/3,286,681.08 - Step 6: Final answer
x = 3,428,691.45
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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.