Finding the Fourth Proportional to 4,979,821.80, 6,872,447 and 3,046,452.96
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Solution
The fourth proportional to 4,979,821.80, 6,872,447 and 3,046,452.96 is: 4,204,284.28
Step by Step Solution
- Step 1: Write the proportion equation
4,979,821.80 : 6,872,447 = 3,046,452.96 : x - Step 2: Convert to fraction form
4,979,821.80/6,872,447 = 3,046,452.96/x - Step 3: Cross multiply
4,979,821.80x = 6,872,447 × 3,046,452.96 - Step 4: Simplify right side
4,979,821.80x = 20,936,586,505,593.12 - Step 5: Solve for x
x = 20,936,586,505,593.12/4,979,821.80 - Step 6: Final answer
x = 4,204,284.28
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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.