Finding the Fourth Proportional to 5,687,588.17, 7,848,918.10 and 3,240,160.21
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Solution
The fourth proportional to 5,687,588.17, 7,848,918.10 and 3,240,160.21 is: 4,471,447.54
Step by Step Solution
- Step 1: Write the proportion equation
5,687,588.17 : 7,848,918.10 = 3,240,160.21 : x - Step 2: Convert to fraction form
5,687,588.17/7,848,918.10 = 3,240,160.21/x - Step 3: Cross multiply
5,687,588.17x = 7,848,918.10 × 3,240,160.21 - Step 4: Simplify right side
5,687,588.17x = 25,431,752,119,168.80 - Step 5: Solve for x
x = 25,431,752,119,168.80/5,687,588.17 - Step 6: Final answer
x = 4,471,447.54
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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.