Finding the Fourth Proportional to 5,417,692.40, 8,131,131.30 and 2,225,109.80
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Solution
The fourth proportional to 5,417,692.40, 8,131,131.30 and 2,225,109.80 is: 3,339,550.98
Step by Step Solution
- Step 1: Write the proportion equation
5,417,692.40 : 8,131,131.30 = 2,225,109.80 : x - Step 2: Convert to fraction form
5,417,692.40/8,131,131.30 = 2,225,109.80/x - Step 3: Cross multiply
5,417,692.40x = 8,131,131.30 × 2,225,109.80 - Step 4: Simplify right side
5,417,692.40x = 18,092,659,940,716.74 - Step 5: Solve for x
x = 18,092,659,940,716.74/5,417,692.40 - Step 6: Final answer
x = 3,339,550.98
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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.