Finding the Fourth Proportional to 3,987,798.80, 5,973,403.80 and 3,324,246.80
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Solution
The fourth proportional to 3,987,798.80, 5,973,403.80 and 3,324,246.80 is: 4,979,455.95
Step by Step Solution
- Step 1: Write the proportion equation
3,987,798.80 : 5,973,403.80 = 3,324,246.80 : x - Step 2: Convert to fraction form
3,987,798.80/5,973,403.80 = 3,324,246.80/x - Step 3: Cross multiply
3,987,798.80x = 5,973,403.80 × 3,324,246.80 - Step 4: Simplify right side
3,987,798.80x = 19,857,068,467,257.84 - Step 5: Solve for x
x = 19,857,068,467,257.84/3,987,798.80 - Step 6: Final answer
x = 4,979,455.95
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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.