Finding the Fourth Proportional to 3,959,250.88, 5,463,781.20 and 2,148,414.88
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Solution
The fourth proportional to 3,959,250.88, 5,463,781.20 and 2,148,414.88 is: 2,964,820.67
Step by Step Solution
- Step 1: Write the proportion equation
3,959,250.88 : 5,463,781.20 = 2,148,414.88 : x - Step 2: Convert to fraction form
3,959,250.88/5,463,781.20 = 2,148,414.88/x - Step 3: Cross multiply
3,959,250.88x = 5,463,781.20 × 2,148,414.88 - Step 4: Simplify right side
3,959,250.88x = 11,738,468,831,144.26 - Step 5: Solve for x
x = 11,738,468,831,144.26/3,959,250.88 - Step 6: Final answer
x = 2,964,820.67
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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.