Finding the Fourth Proportional to 5,467,973.20, 8,201,959.80 and 2,279,327.20
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Solution
The fourth proportional to 5,467,973.20, 8,201,959.80 and 2,279,327.20 is: 3,418,990.80
Step by Step Solution
- Step 1: Write the proportion equation
5,467,973.20 : 8,201,959.80 = 2,279,327.20 : x - Step 2: Convert to fraction form
5,467,973.20/8,201,959.80 = 2,279,327.20/x - Step 3: Cross multiply
5,467,973.20x = 8,201,959.80 × 2,279,327.20 - Step 4: Simplify right side
5,467,973.20x = 18,694,950,065,446.56 - Step 5: Solve for x
x = 18,694,950,065,446.56/5,467,973.20 - Step 6: Final answer
x = 3,418,990.80
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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.