Finding the Fourth Proportional to 1,855,728.36, 2,560,889.52 and 1,703,381.94
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Solution
The fourth proportional to 1,855,728.36, 2,560,889.52 and 1,703,381.94 is: 2,350,652.74
Step by Step Solution
- Step 1: Write the proportion equation
1,855,728.36 : 2,560,889.52 = 1,703,381.94 : x - Step 2: Convert to fraction form
1,855,728.36/2,560,889.52 = 1,703,381.94/x - Step 3: Cross multiply
1,855,728.36x = 2,560,889.52 × 1,703,381.94 - Step 4: Simplify right side
1,855,728.36x = 4,362,172,958,703.27 - Step 5: Solve for x
x = 4,362,172,958,703.27/1,855,728.36 - Step 6: Final answer
x = 2,350,652.74
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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.