Finding the Fourth Proportional to 2,878,213.14, 3,971,940.03 and 1,589,056.02
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Solution
The fourth proportional to 2,878,213.14, 3,971,940.03 and 1,589,056.02 is: 2,192,900.56
Step by Step Solution
- Step 1: Write the proportion equation
2,878,213.14 : 3,971,940.03 = 1,589,056.02 : x - Step 2: Convert to fraction form
2,878,213.14/3,971,940.03 = 1,589,056.02/x - Step 3: Cross multiply
2,878,213.14x = 3,971,940.03 × 1,589,056.02 - Step 4: Simplify right side
2,878,213.14x = 6,311,635,215,750.48 - Step 5: Solve for x
x = 6,311,635,215,750.48/2,878,213.14 - Step 6: Final answer
x = 2,192,900.56
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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.