Finding the Fourth Proportional to 5,687,302.80, 7,848,530.16 and 3,239,877.60
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Solution
The fourth proportional to 5,687,302.80, 7,848,530.16 and 3,239,877.60 is: 4,471,060.88
Step by Step Solution
- Step 1: Write the proportion equation
5,687,302.80 : 7,848,530.16 = 3,239,877.60 : x - Step 2: Convert to fraction form
5,687,302.80/7,848,530.16 = 3,239,877.60/x - Step 3: Cross multiply
5,687,302.80x = 7,848,530.16 × 3,239,877.60 - Step 4: Simplify right side
5,687,302.80x = 25,428,277,058,308.42 - Step 5: Solve for x
x = 25,428,277,058,308.42/5,687,302.80 - Step 6: Final answer
x = 4,471,060.88
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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.