Finding the Fourth Proportional to 3,616,433.68, 4,990,687.68 and 1,984,853.92
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Solution
The fourth proportional to 3,616,433.68, 4,990,687.68 and 1,984,853.92 is: 2,739,103.46
Step by Step Solution
- Step 1: Write the proportion equation
3,616,433.68 : 4,990,687.68 = 1,984,853.92 : x - Step 2: Convert to fraction form
3,616,433.68/4,990,687.68 = 1,984,853.92/x - Step 3: Cross multiply
3,616,433.68x = 4,990,687.68 × 1,984,853.92 - Step 4: Simplify right side
3,616,433.68x = 9,905,786,005,143.71 - Step 5: Solve for x
x = 9,905,786,005,143.71/3,616,433.68 - Step 6: Final answer
x = 2,739,103.46
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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.