Finding the Fourth Proportional to 6,944,622.80, 10,416,934.20 and 4,257,237.20
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Solution
The fourth proportional to 6,944,622.80, 10,416,934.20 and 4,257,237.20 is: 6,385,855.80
Step by Step Solution
- Step 1: Write the proportion equation
6,944,622.80 : 10,416,934.20 = 4,257,237.20 : x - Step 2: Convert to fraction form
6,944,622.80/10,416,934.20 = 4,257,237.20/x - Step 3: Cross multiply
6,944,622.80x = 10,416,934.20 × 4,257,237.20 - Step 4: Simplify right side
6,944,622.80x = 44,347,359,786,192.24 - Step 5: Solve for x
x = 44,347,359,786,192.24/6,944,622.80 - Step 6: Final answer
x = 6,385,855.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.