Finding the Fourth Proportional to 5,393,882.88, 7,443,535.68 and 2,979,434.88
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Solution
The fourth proportional to 5,393,882.88, 7,443,535.68 and 2,979,434.88 is: 4,111,607.60
Step by Step Solution
- Step 1: Write the proportion equation
5,393,882.88 : 7,443,535.68 = 2,979,434.88 : x - Step 2: Convert to fraction form
5,393,882.88/7,443,535.68 = 2,979,434.88/x - Step 3: Cross multiply
5,393,882.88x = 7,443,535.68 × 2,979,434.88 - Step 4: Simplify right side
5,393,882.88x = 22,177,529,835,516.52 - Step 5: Solve for x
x = 22,177,529,835,516.52/5,393,882.88 - Step 6: Final answer
x = 4,111,607.60
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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.