Finding the Fourth Proportional to 1,369,446.68, 2,053,768.50 and 515,902.50
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Solution
The fourth proportional to 1,369,446.68, 2,053,768.50 and 515,902.50 is: 773,702.49
Step by Step Solution
- Step 1: Write the proportion equation
1,369,446.68 : 2,053,768.50 = 515,902.50 : x - Step 2: Convert to fraction form
1,369,446.68/2,053,768.50 = 515,902.50/x - Step 3: Cross multiply
1,369,446.68x = 2,053,768.50 × 515,902.50 - Step 4: Simplify right side
1,369,446.68x = 1,059,544,303,571.25 - Step 5: Solve for x
x = 1,059,544,303,571.25/1,369,446.68 - Step 6: Final answer
x = 773,702.49
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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.