Finding the Fourth Proportional to 1,922,845.56, 2,653,232.12 and 1,106,891.58
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Solution
The fourth proportional to 1,922,845.56, 2,653,232.12 and 1,106,891.58 is: 1,527,340.71
Step by Step Solution
- Step 1: Write the proportion equation
1,922,845.56 : 2,653,232.12 = 1,106,891.58 : x - Step 2: Convert to fraction form
1,922,845.56/2,653,232.12 = 1,106,891.58/x - Step 3: Cross multiply
1,922,845.56x = 2,653,232.12 × 1,106,891.58 - Step 4: Simplify right side
1,922,845.56x = 2,936,840,293,413.55 - Step 5: Solve for x
x = 2,936,840,293,413.55/1,922,845.56 - Step 6: Final answer
x = 1,527,340.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.