Finding the Fourth Proportional to 6,646,843.80, 9,970,265.70 and 5,465,863.80
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Solution
The fourth proportional to 6,646,843.80, 9,970,265.70 and 5,465,863.80 is: 8,198,795.70
Step by Step Solution
- Step 1: Write the proportion equation
6,646,843.80 : 9,970,265.70 = 5,465,863.80 : x - Step 2: Convert to fraction form
6,646,843.80/9,970,265.70 = 5,465,863.80/x - Step 3: Cross multiply
6,646,843.80x = 9,970,265.70 × 5,465,863.80 - Step 4: Simplify right side
6,646,843.80x = 54,496,114,366,011.66 - Step 5: Solve for x
x = 54,496,114,366,011.66/6,646,843.80 - Step 6: Final answer
x = 8,198,795.70
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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.