Finding the Fourth Proportional to 2,948,805.09, 4,069,481.99 and 1,659,728.97
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Solution
The fourth proportional to 2,948,805.09, 4,069,481.99 and 1,659,728.97 is: 2,290,499.69
Step by Step Solution
- Step 1: Write the proportion equation
2,948,805.09 : 4,069,481.99 = 1,659,728.97 : x - Step 2: Convert to fraction form
2,948,805.09/4,069,481.99 = 1,659,728.97/x - Step 3: Cross multiply
2,948,805.09x = 4,069,481.99 × 1,659,728.97 - Step 4: Simplify right side
2,948,805.09x = 6,754,237,143,397.61 - Step 5: Solve for x
x = 6,754,237,143,397.61/2,948,805.09 - Step 6: Final answer
x = 2,290,499.69
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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.