Finding the Fourth Proportional to 5,330,822.76, 7,356,535.40 and 2,883,433.68
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Solution
The fourth proportional to 5,330,822.76, 7,356,535.40 and 2,883,433.68 is: 3,979,138.47
Step by Step Solution
- Step 1: Write the proportion equation
5,330,822.76 : 7,356,535.40 = 2,883,433.68 : x - Step 2: Convert to fraction form
5,330,822.76/7,356,535.40 = 2,883,433.68/x - Step 3: Cross multiply
5,330,822.76x = 7,356,535.40 × 2,883,433.68 - Step 4: Simplify right side
5,330,822.76x = 21,212,081,940,472.27 - Step 5: Solve for x
x = 21,212,081,940,472.27/5,330,822.76 - Step 6: Final answer
x = 3,979,138.47
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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.