Finding the Fourth Proportional to 6,468,496.80, 9,703,609.20 and 2,207,594.40
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Solution
The fourth proportional to 6,468,496.80, 9,703,609.20 and 2,207,594.40 is: 3,311,686.47
Step by Step Solution
- Step 1: Write the proportion equation
6,468,496.80 : 9,703,609.20 = 2,207,594.40 : x - Step 2: Convert to fraction form
6,468,496.80/9,703,609.20 = 2,207,594.40/x - Step 3: Cross multiply
6,468,496.80x = 9,703,609.20 × 2,207,594.40 - Step 4: Simplify right side
6,468,496.80x = 21,421,633,329,708.48 - Step 5: Solve for x
x = 21,421,633,329,708.48/6,468,496.80 - Step 6: Final answer
x = 3,311,686.47
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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.