Finding the Fourth Proportional to 2,713,442.51, 3,744,655.97 and 1,489,799.60
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Solution
The fourth proportional to 2,713,442.51, 3,744,655.97 and 1,489,799.60 is: 2,055,981.27
Step by Step Solution
- Step 1: Write the proportion equation
2,713,442.51 : 3,744,655.97 = 1,489,799.60 : x - Step 2: Convert to fraction form
2,713,442.51/3,744,655.97 = 1,489,799.60/x - Step 3: Cross multiply
2,713,442.51x = 3,744,655.97 × 1,489,799.60 - Step 4: Simplify right side
2,713,442.51x = 5,578,786,966,243.61 - Step 5: Solve for x
x = 5,578,786,966,243.61/2,713,442.51 - Step 6: Final answer
x = 2,055,981.27
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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.