Finding the Fourth Proportional to 4,992,743.35, 6,889,962.49 and 2,700,883.99
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Solution
The fourth proportional to 4,992,743.35, 6,889,962.49 and 2,700,883.99 is: 3,727,207.28
Step by Step Solution
- Step 1: Write the proportion equation
4,992,743.35 : 6,889,962.49 = 2,700,883.99 : x - Step 2: Convert to fraction form
4,992,743.35/6,889,962.49 = 2,700,883.99/x - Step 3: Cross multiply
4,992,743.35x = 6,889,962.49 × 2,700,883.99 - Step 4: Simplify right side
4,992,743.35x = 18,608,989,380,941.54 - Step 5: Solve for x
x = 18,608,989,380,941.54/4,992,743.35 - Step 6: Final answer
x = 3,727,207.28
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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.