Finding the Fourth Proportional to 5,239,319.49, 7,227,871.38 and 3,786,714.09
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Solution
The fourth proportional to 5,239,319.49, 7,227,871.38 and 3,786,714.09 is: 5,223,938.42
Step by Step Solution
- Step 1: Write the proportion equation
5,239,319.49 : 7,227,871.38 = 3,786,714.09 : x - Step 2: Convert to fraction form
5,239,319.49/7,227,871.38 = 3,786,714.09/x - Step 3: Cross multiply
5,239,319.49x = 7,227,871.38 × 3,786,714.09 - Step 4: Simplify right side
5,239,319.49x = 27,369,882,395,353.74 - Step 5: Solve for x
x = 27,369,882,395,353.74/5,239,319.49 - Step 6: Final answer
x = 5,223,938.42
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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.