Finding the Fourth Proportional to 5,198,898.40, 7,795,582.80 and 2,203,698.40
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Solution
The fourth proportional to 5,198,898.40, 7,795,582.80 and 2,203,698.40 is: 3,304,375.66
Step by Step Solution
- Step 1: Write the proportion equation
5,198,898.40 : 7,795,582.80 = 2,203,698.40 : x - Step 2: Convert to fraction form
5,198,898.40/7,795,582.80 = 2,203,698.40/x - Step 3: Cross multiply
5,198,898.40x = 7,795,582.80 × 2,203,698.40 - Step 4: Simplify right side
5,198,898.40x = 17,179,113,343,427.52 - Step 5: Solve for x
x = 17,179,113,343,427.52/5,198,898.40 - Step 6: Final answer
x = 3,304,375.66
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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.