Finding the Fourth Proportional to 1,222,445.97, 1,833,253.70 and 423,540.99
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Solution
The fourth proportional to 1,222,445.97, 1,833,253.70 and 423,540.99 is: 635,167.61
Step by Step Solution
- Step 1: Write the proportion equation
1,222,445.97 : 1,833,253.70 = 423,540.99 : x - Step 2: Convert to fraction form
1,222,445.97/1,833,253.70 = 423,540.99/x - Step 3: Cross multiply
1,222,445.97x = 1,833,253.70 × 423,540.99 - Step 4: Simplify right side
1,222,445.97x = 776,458,084,901.46 - Step 5: Solve for x
x = 776,458,084,901.46/1,222,445.97 - Step 6: Final answer
x = 635,167.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.