Finding the Fourth Proportional to 4,784,685.44, 7,178,413.44 and 1,418,973.44
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Solution
The fourth proportional to 4,784,685.44, 7,178,413.44 and 1,418,973.44 is: 2,128,870.99
Step by Step Solution
- Step 1: Write the proportion equation
4,784,685.44 : 7,178,413.44 = 1,418,973.44 : x - Step 2: Convert to fraction form
4,784,685.44/7,178,413.44 = 1,418,973.44/x - Step 3: Cross multiply
4,784,685.44x = 7,178,413.44 × 1,418,973.44 - Step 4: Simplify right side
4,784,685.44x = 10,185,978,012,699.03 - Step 5: Solve for x
x = 10,185,978,012,699.03/4,784,685.44 - Step 6: Final answer
x = 2,128,870.99
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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.