Finding the Fourth Proportional to 4,816,561.26, 7,219,784.49 and 1,620,577.98
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Solution
The fourth proportional to 4,816,561.26, 7,219,784.49 and 1,620,577.98 is: 2,429,165.36
Step by Step Solution
- Step 1: Write the proportion equation
4,816,561.26 : 7,219,784.49 = 1,620,577.98 : x - Step 2: Convert to fraction form
4,816,561.26/7,219,784.49 = 1,620,577.98/x - Step 3: Cross multiply
4,816,561.26x = 7,219,784.49 × 1,620,577.98 - Step 4: Simplify right side
4,816,561.26x = 11,700,223,764,839.53 - Step 5: Solve for x
x = 11,700,223,764,839.53/4,816,561.26 - Step 6: Final answer
x = 2,429,165.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.