Finding the Fourth Proportional to 2,914,694.20, 4,372,041.30 and 2,802,719.80
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Solution
The fourth proportional to 2,914,694.20, 4,372,041.30 and 2,802,719.80 is: 4,204,079.70
Step by Step Solution
- Step 1: Write the proportion equation
2,914,694.20 : 4,372,041.30 = 2,802,719.80 : x - Step 2: Convert to fraction form
2,914,694.20/4,372,041.30 = 2,802,719.80/x - Step 3: Cross multiply
2,914,694.20x = 4,372,041.30 × 2,802,719.80 - Step 4: Simplify right side
2,914,694.20x = 12,253,606,717,927.74 - Step 5: Solve for x
x = 12,253,606,717,927.74/2,914,694.20 - Step 6: Final answer
x = 4,204,079.70
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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.