Finding the Fourth Proportional to 2,143,133.52, 3,215,599.92 and 1,334,194.49
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Solution
The fourth proportional to 2,143,133.52, 3,215,599.92 and 1,334,194.49 is: 2,001,851.79
Step by Step Solution
- Step 1: Write the proportion equation
2,143,133.52 : 3,215,599.92 = 1,334,194.49 : x - Step 2: Convert to fraction form
2,143,133.52/3,215,599.92 = 1,334,194.49/x - Step 3: Cross multiply
2,143,133.52x = 3,215,599.92 × 1,334,194.49 - Step 4: Simplify right side
2,143,133.52x = 4,290,235,679,230.44 - Step 5: Solve for x
x = 4,290,235,679,230.44/2,143,133.52 - Step 6: Final answer
x = 2,001,851.79
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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.