Finding the Fourth Proportional to 4,737,591.48, 7,106,388.48 and 1,326,380.53
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Solution
The fourth proportional to 4,737,591.48, 7,106,388.48 and 1,326,380.53 is: 1,989,571.15
Step by Step Solution
- Step 1: Write the proportion equation
4,737,591.48 : 7,106,388.48 = 1,326,380.53 : x - Step 2: Convert to fraction form
4,737,591.48/7,106,388.48 = 1,326,380.53/x - Step 3: Cross multiply
4,737,591.48x = 7,106,388.48 × 1,326,380.53 - Step 4: Simplify right side
4,737,591.48x = 9,425,775,322,174.25 - Step 5: Solve for x
x = 9,425,775,322,174.25/4,737,591.48 - Step 6: Final answer
x = 1,989,571.15
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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.