Finding the Fourth Proportional to 3,858,195.68, 5,324,300.88 and 2,139,272
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Solution
The fourth proportional to 3,858,195.68, 5,324,300.88 and 2,139,272 is: 2,952,190.28
Step by Step Solution
- Step 1: Write the proportion equation
3,858,195.68 : 5,324,300.88 = 2,139,272 : x - Step 2: Convert to fraction form
3,858,195.68/5,324,300.88 = 2,139,272/x - Step 3: Cross multiply
3,858,195.68x = 5,324,300.88 × 2,139,272 - Step 4: Simplify right side
3,858,195.68x = 11,390,127,792,159.36 - Step 5: Solve for x
x = 11,390,127,792,159.36/3,858,195.68 - Step 6: Final answer
x = 2,952,190.28
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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.