Finding the Fourth Proportional to 2,560,975.75, 3,842,067.11 and 831,837.87
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Solution
The fourth proportional to 2,560,975.75, 3,842,067.11 and 831,837.87 is: 1,247,952.82
Step by Step Solution
- Step 1: Write the proportion equation
2,560,975.75 : 3,842,067.11 = 831,837.87 : x - Step 2: Convert to fraction form
2,560,975.75/3,842,067.11 = 831,837.87/x - Step 3: Cross multiply
2,560,975.75x = 3,842,067.11 × 831,837.87 - Step 4: Simplify right side
2,560,975.75x = 3,195,976,921,179.46 - Step 5: Solve for x
x = 3,195,976,921,179.46/2,560,975.75 - Step 6: Final answer
x = 1,247,952.82
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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.