Finding the Fourth Proportional to 3,086,407.68, 4,629,612.05 and 1,288,310.28
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Solution
The fourth proportional to 3,086,407.68, 4,629,612.05 and 1,288,310.28 is: 1,932,465.64
Step by Step Solution
- Step 1: Write the proportion equation
3,086,407.68 : 4,629,612.05 = 1,288,310.28 : x - Step 2: Convert to fraction form
3,086,407.68/4,629,612.05 = 1,288,310.28/x - Step 3: Cross multiply
3,086,407.68x = 4,629,612.05 × 1,288,310.28 - Step 4: Simplify right side
3,086,407.68x = 5,964,376,789,985.32 - Step 5: Solve for x
x = 5,964,376,789,985.32/3,086,407.68 - Step 6: Final answer
x = 1,932,465.64
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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.