Finding the Fourth Proportional to 3,999,057.68, 5,512,957.80 and 2,851,145.84
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Solution
The fourth proportional to 3,999,057.68, 5,512,957.80 and 2,851,145.84 is: 3,930,487.62
Step by Step Solution
- Step 1: Write the proportion equation
3,999,057.68 : 5,512,957.80 = 2,851,145.84 : x - Step 2: Convert to fraction form
3,999,057.68/5,512,957.80 = 2,851,145.84/x - Step 3: Cross multiply
3,999,057.68x = 5,512,957.80 × 2,851,145.84 - Step 4: Simplify right side
3,999,057.68x = 15,718,246,697,565.55 - Step 5: Solve for x
x = 15,718,246,697,565.55/3,999,057.68 - Step 6: Final answer
x = 3,930,487.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.