Finding the Fourth Proportional to 5,372,803.12, 8,057,269.32 and 1,777,906.48
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Solution
The fourth proportional to 5,372,803.12, 8,057,269.32 and 1,777,906.48 is: 2,666,219.29
Step by Step Solution
- Step 1: Write the proportion equation
5,372,803.12 : 8,057,269.32 = 1,777,906.48 : x - Step 2: Convert to fraction form
5,372,803.12/8,057,269.32 = 1,777,906.48/x - Step 3: Cross multiply
5,372,803.12x = 8,057,269.32 × 1,777,906.48 - Step 4: Simplify right side
5,372,803.12x = 14,325,071,335,133.19 - Step 5: Solve for x
x = 14,325,071,335,133.19/5,372,803.12 - Step 6: Final answer
x = 2,666,219.29
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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.