Finding the Fourth Proportional to 3,086,036.88, 4,257,746.74 and 1,999,141.62
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Solution
The fourth proportional to 3,086,036.88, 4,257,746.74 and 1,999,141.62 is: 2,758,177.90
Step by Step Solution
- Step 1: Write the proportion equation
3,086,036.88 : 4,257,746.74 = 1,999,141.62 : x - Step 2: Convert to fraction form
3,086,036.88/4,257,746.74 = 1,999,141.62/x - Step 3: Cross multiply
3,086,036.88x = 4,257,746.74 × 1,999,141.62 - Step 4: Simplify right side
3,086,036.88x = 8,511,838,715,353.32 - Step 5: Solve for x
x = 8,511,838,715,353.32/3,086,036.88 - Step 6: Final answer
x = 2,758,177.90
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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.