Finding the Fourth Proportional to 5,277,621.64, 7,283,131.98 and 2,863,173.64
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Solution
The fourth proportional to 5,277,621.64, 7,283,131.98 and 2,863,173.64 is: 3,951,187.28
Step by Step Solution
- Step 1: Write the proportion equation
5,277,621.64 : 7,283,131.98 = 2,863,173.64 : x - Step 2: Convert to fraction form
5,277,621.64/7,283,131.98 = 2,863,173.64/x - Step 3: Cross multiply
5,277,621.64x = 7,283,131.98 × 2,863,173.64 - Step 4: Simplify right side
5,277,621.64x = 20,852,871,501,777.01 - Step 5: Solve for x
x = 20,852,871,501,777.01/5,277,621.64 - Step 6: Final answer
x = 3,951,187.28
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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.