Finding the Fourth Proportional to 3,825,034.63, 5,278,663.92 and 2,106,216.66
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Solution
The fourth proportional to 3,825,034.63, 5,278,663.92 and 2,106,216.66 is: 2,906,642.94
Step by Step Solution
- Step 1: Write the proportion equation
3,825,034.63 : 5,278,663.92 = 2,106,216.66 : x - Step 2: Convert to fraction form
3,825,034.63/5,278,663.92 = 2,106,216.66/x - Step 3: Cross multiply
3,825,034.63x = 5,278,663.92 × 2,106,216.66 - Step 4: Simplify right side
3,825,034.63x = 11,118,009,890,844.91 - Step 5: Solve for x
x = 11,118,009,890,844.91/3,825,034.63 - Step 6: Final answer
x = 2,906,642.94
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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.