Finding the Fourth Proportional to 7,722,999.40, 11,590,028.70 and 3,238,493.80
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Solution
The fourth proportional to 7,722,999.40, 11,590,028.70 and 3,238,493.80 is: 4,860,059.43
Step by Step Solution
- Step 1: Write the proportion equation
7,722,999.40 : 11,590,028.70 = 3,238,493.80 : x - Step 2: Convert to fraction form
7,722,999.40/11,590,028.70 = 3,238,493.80/x - Step 3: Cross multiply
7,722,999.40x = 11,590,028.70 × 3,238,493.80 - Step 4: Simplify right side
7,722,999.40x = 37,534,236,086,772.05 - Step 5: Solve for x
x = 37,534,236,086,772.05/7,722,999.40 - Step 6: Final answer
x = 4,860,059.43
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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.