Finding the Fourth Proportional to 1,344,413.70, 2,016,571.95 and 545,672.70
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Solution
The fourth proportional to 1,344,413.70, 2,016,571.95 and 545,672.70 is: 818,489.32
Step by Step Solution
- Step 1: Write the proportion equation
1,344,413.70 : 2,016,571.95 = 545,672.70 : x - Step 2: Convert to fraction form
1,344,413.70/2,016,571.95 = 545,672.70/x - Step 3: Cross multiply
1,344,413.70x = 2,016,571.95 × 545,672.70 - Step 4: Simplify right side
1,344,413.70x = 1,100,388,260,700.76 - Step 5: Solve for x
x = 1,100,388,260,700.76/1,344,413.70 - Step 6: Final answer
x = 818,489.32
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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.