Finding the Fourth Proportional to 7,918,361.88, 11,877,582.36 and 2,800,796.49
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Solution
The fourth proportional to 7,918,361.88, 11,877,582.36 and 2,800,796.49 is: 4,201,208.71
Step by Step Solution
- Step 1: Write the proportion equation
7,918,361.88 : 11,877,582.36 = 2,800,796.49 : x - Step 2: Convert to fraction form
7,918,361.88/11,877,582.36 = 2,800,796.49/x - Step 3: Cross multiply
7,918,361.88x = 11,877,582.36 × 2,800,796.49 - Step 4: Simplify right side
7,918,361.88x = 33,266,690,924,186 - Step 5: Solve for x
x = 33,266,690,924,186/7,918,361.88 - Step 6: Final answer
x = 4,201,208.71
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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.