Finding the Fourth Proportional to 5,429,933.40, 8,149,492.80 and 2,237,350.80
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Solution
The fourth proportional to 5,429,933.40, 8,149,492.80 and 2,237,350.80 is: 3,357,918.58
Step by Step Solution
- Step 1: Write the proportion equation
5,429,933.40 : 8,149,492.80 = 2,237,350.80 : x - Step 2: Convert to fraction form
5,429,933.40/8,149,492.80 = 2,237,350.80/x - Step 3: Cross multiply
5,429,933.40x = 8,149,492.80 × 2,237,350.80 - Step 4: Simplify right side
5,429,933.40x = 18,233,274,235,674.24 - Step 5: Solve for x
x = 18,233,274,235,674.24/5,429,933.40 - Step 6: Final answer
x = 3,357,918.58
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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.