Finding the Fourth Proportional to 3,752,551.28, 5,179,076.64 and 2,376,022.96
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Solution
The fourth proportional to 3,752,551.28, 5,179,076.64 and 2,376,022.96 is: 3,279,263.65
Step by Step Solution
- Step 1: Write the proportion equation
3,752,551.28 : 5,179,076.64 = 2,376,022.96 : x - Step 2: Convert to fraction form
3,752,551.28/5,179,076.64 = 2,376,022.96/x - Step 3: Cross multiply
3,752,551.28x = 5,179,076.64 × 2,376,022.96 - Step 4: Simplify right side
3,752,551.28x = 12,305,605,008,239.65 - Step 5: Solve for x
x = 12,305,605,008,239.65/3,752,551.28 - Step 6: Final answer
x = 3,279,263.65
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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.