Finding the Fourth Proportional to 3,825,297.14, 5,278,948.54 and 2,106,424.49
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Solution
The fourth proportional to 3,825,297.14, 5,278,948.54 and 2,106,424.49 is: 2,906,886.98
Step by Step Solution
- Step 1: Write the proportion equation
3,825,297.14 : 5,278,948.54 = 2,106,424.49 : x - Step 2: Convert to fraction form
3,825,297.14/5,278,948.54 = 2,106,424.49/x - Step 3: Cross multiply
3,825,297.14x = 5,278,948.54 × 2,106,424.49 - Step 4: Simplify right side
3,825,297.14x = 11,119,706,454,444.94 - Step 5: Solve for x
x = 11,119,706,454,444.94/3,825,297.14 - Step 6: Final answer
x = 2,906,886.98
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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.