Finding the Fourth Proportional to 4,660,376.92, 6,990,814.49 and 1,465,752.20
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Solution
The fourth proportional to 4,660,376.92, 6,990,814.49 and 1,465,752.20 is: 2,198,706.64
Step by Step Solution
- Step 1: Write the proportion equation
4,660,376.92 : 6,990,814.49 = 1,465,752.20 : x - Step 2: Convert to fraction form
4,660,376.92/6,990,814.49 = 1,465,752.20/x - Step 3: Cross multiply
4,660,376.92x = 6,990,814.49 × 1,465,752.20 - Step 4: Simplify right side
4,660,376.92x = 10,246,801,676,226.54 - Step 5: Solve for x
x = 10,246,801,676,226.54/4,660,376.92 - Step 6: Final answer
x = 2,198,706.64
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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.