Finding the Fourth Proportional to 4,849,846.22, 6,692,949.42 and 2,644,829.75
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Solution
The fourth proportional to 4,849,846.22, 6,692,949.42 and 2,644,829.75 is: 3,649,953.20
Step by Step Solution
- Step 1: Write the proportion equation
4,849,846.22 : 6,692,949.42 = 2,644,829.75 : x - Step 2: Convert to fraction form
4,849,846.22/6,692,949.42 = 2,644,829.75/x - Step 3: Cross multiply
4,849,846.22x = 6,692,949.42 × 2,644,829.75 - Step 4: Simplify right side
4,849,846.22x = 17,701,711,741,261.25 - Step 5: Solve for x
x = 17,701,711,741,261.25/4,849,846.22 - Step 6: Final answer
x = 3,649,953.20
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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.