Finding the Fourth Proportional to 1,478,474.70, 2,218,644.84 and 579,892.44
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Solution
The fourth proportional to 1,478,474.70, 2,218,644.84 and 579,892.44 is: 870,204.52
Step by Step Solution
- Step 1: Write the proportion equation
1,478,474.70 : 2,218,644.84 = 579,892.44 : x - Step 2: Convert to fraction form
1,478,474.70/2,218,644.84 = 579,892.44/x - Step 3: Cross multiply
1,478,474.70x = 2,218,644.84 × 579,892.44 - Step 4: Simplify right side
1,478,474.70x = 1,286,575,369,761.01 - Step 5: Solve for x
x = 1,286,575,369,761.01/1,478,474.70 - Step 6: Final answer
x = 870,204.52
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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.