Finding the Fourth Proportional to 3,955,264.58, 5,458,380.26 and 2,236,348.18
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Solution
The fourth proportional to 3,955,264.58, 5,458,380.26 and 2,236,348.18 is: 3,086,225.59
Step by Step Solution
- Step 1: Write the proportion equation
3,955,264.58 : 5,458,380.26 = 2,236,348.18 : x - Step 2: Convert to fraction form
3,955,264.58/5,458,380.26 = 2,236,348.18/x - Step 3: Cross multiply
3,955,264.58x = 5,458,380.26 × 2,236,348.18 - Step 4: Simplify right side
3,955,264.58x = 12,206,838,760,198.93 - Step 5: Solve for x
x = 12,206,838,760,198.93/3,955,264.58 - Step 6: Final answer
x = 3,086,225.59
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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.