Finding the Fourth Proportional to 6,825,197.49, 9,418,714.79 and 3,769,346.13
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Solution
The fourth proportional to 6,825,197.49, 9,418,714.79 and 3,769,346.13 is: 5,201,665.77
Step by Step Solution
- Step 1: Write the proportion equation
6,825,197.49 : 9,418,714.79 = 3,769,346.13 : x - Step 2: Convert to fraction form
6,825,197.49/9,418,714.79 = 3,769,346.13/x - Step 3: Cross multiply
6,825,197.49x = 9,418,714.79 × 3,769,346.13 - Step 4: Simplify right side
6,825,197.49x = 35,502,396,143,260.26 - Step 5: Solve for x
x = 35,502,396,143,260.26/6,825,197.49 - Step 6: Final answer
x = 5,201,665.77
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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.