Finding the Fourth Proportional to 3,227,328.33, 4,837,670.99 and 1,431,057.75
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Solution
The fourth proportional to 3,227,328.33, 4,837,670.99 and 1,431,057.75 is: 2,145,113.81
Step by Step Solution
- Step 1: Write the proportion equation
3,227,328.33 : 4,837,670.99 = 1,431,057.75 : x - Step 2: Convert to fraction form
3,227,328.33/4,837,670.99 = 1,431,057.75/x - Step 3: Cross multiply
3,227,328.33x = 4,837,670.99 × 1,431,057.75 - Step 4: Simplify right side
3,227,328.33x = 6,922,986,560,400.85 - Step 5: Solve for x
x = 6,922,986,560,400.85/3,227,328.33 - Step 6: Final answer
x = 2,145,113.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.