Finding the Fourth Proportional to 2,836,871.21, 3,914,722.75 and 1,613,474.35
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Solution
The fourth proportional to 2,836,871.21, 3,914,722.75 and 1,613,474.35 is: 2,226,503.88
Step by Step Solution
- Step 1: Write the proportion equation
2,836,871.21 : 3,914,722.75 = 1,613,474.35 : x - Step 2: Convert to fraction form
2,836,871.21/3,914,722.75 = 1,613,474.35/x - Step 3: Cross multiply
2,836,871.21x = 3,914,722.75 × 1,613,474.35 - Step 4: Simplify right side
2,836,871.21x = 6,316,304,744,486.46 - Step 5: Solve for x
x = 6,316,304,744,486.46/2,836,871.21 - Step 6: Final answer
x = 2,226,503.88
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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.