Finding the Fourth Proportional to 1,522,953.20, 2,282,413.80 and 811,449.20
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Solution
The fourth proportional to 1,522,953.20, 2,282,413.80 and 811,449.20 is: 1,216,099.65
Step by Step Solution
- Step 1: Write the proportion equation
1,522,953.20 : 2,282,413.80 = 811,449.20 : x - Step 2: Convert to fraction form
1,522,953.20/2,282,413.80 = 811,449.20/x - Step 3: Cross multiply
1,522,953.20x = 2,282,413.80 × 811,449.20 - Step 4: Simplify right side
1,522,953.20x = 1,852,062,852,078.96 - Step 5: Solve for x
x = 1,852,062,852,078.96/1,522,953.20 - Step 6: Final answer
x = 1,216,099.65
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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.