Finding the Fourth Proportional to 1,545,621.17, 2,131,560.97 and 964,897.92
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Solution
The fourth proportional to 1,545,621.17, 2,131,560.97 and 964,897.92 is: 1,330,687.49
Step by Step Solution
- Step 1: Write the proportion equation
1,545,621.17 : 2,131,560.97 = 964,897.92 : x - Step 2: Convert to fraction form
1,545,621.17/2,131,560.97 = 964,897.92/x - Step 3: Cross multiply
1,545,621.17x = 2,131,560.97 × 964,897.92 - Step 4: Simplify right side
1,545,621.17x = 2,056,738,743,893.94 - Step 5: Solve for x
x = 2,056,738,743,893.94/1,545,621.17 - Step 6: Final answer
x = 1,330,687.49
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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.