Finding the Fourth Proportional to 2,212,252.21, 3,053,199.03 and 1,245,570.88
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Solution
The fourth proportional to 2,212,252.21, 3,053,199.03 and 1,245,570.88 is: 1,719,051.65
Step by Step Solution
- Step 1: Write the proportion equation
2,212,252.21 : 3,053,199.03 = 1,245,570.88 : x - Step 2: Convert to fraction form
2,212,252.21/3,053,199.03 = 1,245,570.88/x - Step 3: Cross multiply
2,212,252.21x = 3,053,199.03 × 1,245,570.88 - Step 4: Simplify right side
2,212,252.21x = 3,802,975,802,612.25 - Step 5: Solve for x
x = 3,802,975,802,612.25/2,212,252.21 - Step 6: Final answer
x = 1,719,051.65
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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.