Finding the Fourth Proportional to 5,395,896.48, 7,446,247.20 and 2,948,453.76
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Solution
The fourth proportional to 5,395,896.48, 7,446,247.20 and 2,948,453.76 is: 4,068,817.04
Step by Step Solution
- Step 1: Write the proportion equation
5,395,896.48 : 7,446,247.20 = 2,948,453.76 : x - Step 2: Convert to fraction form
5,395,896.48/7,446,247.20 = 2,948,453.76/x - Step 3: Cross multiply
5,395,896.48x = 7,446,247.20 × 2,948,453.76 - Step 4: Simplify right side
5,395,896.48x = 21,954,915,554,729.47 - Step 5: Solve for x
x = 21,954,915,554,729.47/5,395,896.48 - Step 6: Final answer
x = 4,068,817.04
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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.