Finding the Fourth Proportional to 5,315,447.94, 7,976,266.37 and 2,241,245.94
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Solution
The fourth proportional to 5,315,447.94, 7,976,266.37 and 2,241,245.94 is: 3,363,173.68
Step by Step Solution
- Step 1: Write the proportion equation
5,315,447.94 : 7,976,266.37 = 2,241,245.94 : x - Step 2: Convert to fraction form
5,315,447.94/7,976,266.37 = 2,241,245.94/x - Step 3: Cross multiply
5,315,447.94x = 7,976,266.37 × 2,241,245.94 - Step 4: Simplify right side
5,315,447.94x = 17,876,774,618,121.04 - Step 5: Solve for x
x = 17,876,774,618,121.04/5,315,447.94 - Step 6: Final answer
x = 3,363,173.68
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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.