Finding the Fourth Proportional to 2,214,438.30, 3,055,287.92 and 1,441,207.44
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Solution
The fourth proportional to 2,214,438.30, 3,055,287.92 and 1,441,207.44 is: 1,988,451.74
Step by Step Solution
- Step 1: Write the proportion equation
2,214,438.30 : 3,055,287.92 = 1,441,207.44 : x - Step 2: Convert to fraction form
2,214,438.30/3,055,287.92 = 1,441,207.44/x - Step 3: Cross multiply
2,214,438.30x = 3,055,287.92 × 1,441,207.44 - Step 4: Simplify right side
2,214,438.30x = 4,403,303,669,972.70 - Step 5: Solve for x
x = 4,403,303,669,972.70/2,214,438.30 - Step 6: Final answer
x = 1,988,451.74
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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.