Finding the Fourth Proportional to 5,555,757.80, 8,375,278.24 and 5,185,409.87
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Solution
The fourth proportional to 5,555,757.80, 8,375,278.24 and 5,185,409.87 is: 7,816,980.51
Step by Step Solution
- Step 1: Write the proportion equation
5,555,757.80 : 8,375,278.24 = 5,185,409.87 : x - Step 2: Convert to fraction form
5,555,757.80/8,375,278.24 = 5,185,409.87/x - Step 3: Cross multiply
5,555,757.80x = 8,375,278.24 × 5,185,409.87 - Step 4: Simplify right side
5,555,757.80x = 43,429,250,449,692.23 - Step 5: Solve for x
x = 43,429,250,449,692.23/5,555,757.80 - Step 6: Final answer
x = 7,816,980.51
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.