Finding the Fourth Proportional to 5,242,028.75, 7,859,832.08 and 2,043,418.13
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Solution
The fourth proportional to 5,242,028.75, 7,859,832.08 and 2,043,418.13 is: 3,063,875.48
Step by Step Solution
- Step 1: Write the proportion equation
5,242,028.75 : 7,859,832.08 = 2,043,418.13 : x - Step 2: Convert to fraction form
5,242,028.75/7,859,832.08 = 2,043,418.13/x - Step 3: Cross multiply
5,242,028.75x = 7,859,832.08 × 2,043,418.13 - Step 4: Simplify right side
5,242,028.75x = 16,060,923,321,511.36 - Step 5: Solve for x
x = 16,060,923,321,511.36/5,242,028.75 - Step 6: Final answer
x = 3,063,875.48
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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.