Finding the Fourth Proportional to 3,526,996.97, 4,867,192.80 and 1,978,261.99
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Solution
The fourth proportional to 3,526,996.97, 4,867,192.80 and 1,978,261.99 is: 2,729,966.19
Step by Step Solution
- Step 1: Write the proportion equation
3,526,996.97 : 4,867,192.80 = 1,978,261.99 : x - Step 2: Convert to fraction form
3,526,996.97/4,867,192.80 = 1,978,261.99/x - Step 3: Cross multiply
3,526,996.97x = 4,867,192.80 × 1,978,261.99 - Step 4: Simplify right side
3,526,996.97x = 9,628,582,502,073.69 - Step 5: Solve for x
x = 9,628,582,502,073.69/3,526,996.97 - Step 6: Final answer
x = 2,729,966.19
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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.