Finding the Fourth Proportional to 3,825,264.25, 5,278,864.68 and 2,106,380.67
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Solution
The fourth proportional to 3,825,264.25, 5,278,864.68 and 2,106,380.67 is: 2,906,805.32
Step by Step Solution
- Step 1: Write the proportion equation
3,825,264.25 : 5,278,864.68 = 2,106,380.67 : x - Step 2: Convert to fraction form
3,825,264.25/5,278,864.68 = 2,106,380.67/x - Step 3: Cross multiply
3,825,264.25x = 5,278,864.68 × 2,106,380.67 - Step 4: Simplify right side
3,825,264.25x = 11,119,298,489,837.46 - Step 5: Solve for x
x = 11,119,298,489,837.46/3,825,264.25 - Step 6: Final answer
x = 2,906,805.32
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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.