Finding the Fourth Proportional to 1,609,414.80, 2,414,413.80 and 808,681.20
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Solution
The fourth proportional to 1,609,414.80, 2,414,413.80 and 808,681.20 is: 1,213,168.32
Step by Step Solution
- Step 1: Write the proportion equation
1,609,414.80 : 2,414,413.80 = 808,681.20 : x - Step 2: Convert to fraction form
1,609,414.80/2,414,413.80 = 808,681.20/x - Step 3: Cross multiply
1,609,414.80x = 2,414,413.80 × 808,681.20 - Step 4: Simplify right side
1,609,414.80x = 1,952,491,049,080.56 - Step 5: Solve for x
x = 1,952,491,049,080.56/1,609,414.80 - Step 6: Final answer
x = 1,213,168.32
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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.