Finding the Fourth Proportional to 3,545,229.86, 5,319,184.84 and 1,387,796.73
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Solution
The fourth proportional to 3,545,229.86, 5,319,184.84 and 1,387,796.73 is: 2,082,219.66
Step by Step Solution
- Step 1: Write the proportion equation
3,545,229.86 : 5,319,184.84 = 1,387,796.73 : x - Step 2: Convert to fraction form
3,545,229.86/5,319,184.84 = 1,387,796.73/x - Step 3: Cross multiply
3,545,229.86x = 5,319,184.84 × 1,387,796.73 - Step 4: Simplify right side
3,545,229.86x = 7,381,947,324,290.06 - Step 5: Solve for x
x = 7,381,947,324,290.06/3,545,229.86 - Step 6: Final answer
x = 2,082,219.66
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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.