Finding the Fourth Proportional to 3,895,824.97, 5,376,135.32 and 2,176,959.61
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Solution
The fourth proportional to 3,895,824.97, 5,376,135.32 and 2,176,959.61 is: 3,004,146.63
Step by Step Solution
- Step 1: Write the proportion equation
3,895,824.97 : 5,376,135.32 = 2,176,959.61 : x - Step 2: Convert to fraction form
3,895,824.97/5,376,135.32 = 2,176,959.61/x - Step 3: Cross multiply
3,895,824.97x = 5,376,135.32 × 2,176,959.61 - Step 4: Simplify right side
3,895,824.97x = 11,703,629,422,653.75 - Step 5: Solve for x
x = 11,703,629,422,653.75/3,895,824.97 - Step 6: Final answer
x = 3,004,146.63
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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.