Finding the Fourth Proportional to 3,908,092.74, 5,393,071.17 and 2,189,201.46
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Solution
The fourth proportional to 3,908,092.74, 5,393,071.17 and 2,189,201.46 is: 3,021,043.78
Step by Step Solution
- Step 1: Write the proportion equation
3,908,092.74 : 5,393,071.17 = 2,189,201.46 : x - Step 2: Convert to fraction form
3,908,092.74/5,393,071.17 = 2,189,201.46/x - Step 3: Cross multiply
3,908,092.74x = 5,393,071.17 × 2,189,201.46 - Step 4: Simplify right side
3,908,092.74x = 11,806,519,279,247.91 - Step 5: Solve for x
x = 11,806,519,279,247.91/3,908,092.74 - Step 6: Final answer
x = 3,021,043.78
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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.