Finding the Fourth Proportional to 4,830,743.12, 7,245,353.75 and 4,015,318.05
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Solution
The fourth proportional to 4,830,743.12, 7,245,353.75 and 4,015,318.05 is: 6,022,344.59
Step by Step Solution
- Step 1: Write the proportion equation
4,830,743.12 : 7,245,353.75 = 4,015,318.05 : x - Step 2: Convert to fraction form
4,830,743.12/7,245,353.75 = 4,015,318.05/x - Step 3: Cross multiply
4,830,743.12x = 7,245,353.75 × 4,015,318.05 - Step 4: Simplify right side
4,830,743.12x = 29,092,399,670,933.60 - Step 5: Solve for x
x = 29,092,399,670,933.60/4,830,743.12 - Step 6: Final answer
x = 6,022,344.59
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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.