Finding the Fourth Proportional to 5,361,760.99, 7,399,279.70 and 2,914,377.80
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Solution
The fourth proportional to 5,361,760.99, 7,399,279.70 and 2,914,377.80 is: 4,021,868.28
Step by Step Solution
- Step 1: Write the proportion equation
5,361,760.99 : 7,399,279.70 = 2,914,377.80 : x - Step 2: Convert to fraction form
5,361,760.99/7,399,279.70 = 2,914,377.80/x - Step 3: Cross multiply
5,361,760.99x = 7,399,279.70 × 2,914,377.80 - Step 4: Simplify right side
5,361,760.99x = 21,564,296,456,674.26 - Step 5: Solve for x
x = 21,564,296,456,674.26/5,361,760.99 - Step 6: Final answer
x = 4,021,868.28
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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.