Finding the Fourth Proportional to 2,218,517.40, 3,328,274.56 and 702,291.26
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Solution
The fourth proportional to 2,218,517.40, 3,328,274.56 and 702,291.26 is: 1,053,594.68
Step by Step Solution
- Step 1: Write the proportion equation
2,218,517.40 : 3,328,274.56 = 702,291.26 : x - Step 2: Convert to fraction form
2,218,517.40/3,328,274.56 = 702,291.26/x - Step 3: Cross multiply
2,218,517.40x = 3,328,274.56 × 702,291.26 - Step 4: Simplify right side
2,218,517.40x = 2,337,418,142,250.10 - Step 5: Solve for x
x = 2,337,418,142,250.10/2,218,517.40 - Step 6: Final answer
x = 1,053,594.68
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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.