Finding the Fourth Proportional to 4,199,105.80, 6,298,658.70 and 4,129,121.80
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Solution
The fourth proportional to 4,199,105.80, 6,298,658.70 and 4,129,121.80 is: 6,193,682.70
Step by Step Solution
- Step 1: Write the proportion equation
4,199,105.80 : 6,298,658.70 = 4,129,121.80 : x - Step 2: Convert to fraction form
4,199,105.80/6,298,658.70 = 4,129,121.80/x - Step 3: Cross multiply
4,199,105.80x = 6,298,658.70 × 4,129,121.80 - Step 4: Simplify right side
4,199,105.80x = 26,007,928,948,929.66 - Step 5: Solve for x
x = 26,007,928,948,929.66/4,199,105.80 - Step 6: Final answer
x = 6,193,682.70
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1.5x scale
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.