Finding the Fourth Proportional to 5,182,650.64, 7,151,172.12 and 3,006,694.99
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Solution
The fourth proportional to 5,182,650.64, 7,151,172.12 and 3,006,694.99 is: 4,148,725.21
Step by Step Solution
- Step 1: Write the proportion equation
5,182,650.64 : 7,151,172.12 = 3,006,694.99 : x - Step 2: Convert to fraction form
5,182,650.64/7,151,172.12 = 3,006,694.99/x - Step 3: Cross multiply
5,182,650.64x = 7,151,172.12 × 3,006,694.99 - Step 4: Simplify right side
5,182,650.64x = 21,501,393,385,831.68 - Step 5: Solve for x
x = 21,501,393,385,831.68/5,182,650.64 - Step 6: Final answer
x = 4,148,725.21
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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.