Finding the Fourth Proportional to 4,678,109.68, 6,455,811 and 2,531,933.68
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Solution
The fourth proportional to 4,678,109.68, 6,455,811 and 2,531,933.68 is: 3,494,079.11
Step by Step Solution
- Step 1: Write the proportion equation
4,678,109.68 : 6,455,811 = 2,531,933.68 : x - Step 2: Convert to fraction form
4,678,109.68/6,455,811 = 2,531,933.68/x - Step 3: Cross multiply
4,678,109.68x = 6,455,811 × 2,531,933.68 - Step 4: Simplify right side
4,678,109.68x = 16,345,685,302,614.48 - Step 5: Solve for x
x = 16,345,685,302,614.48/4,678,109.68 - Step 6: Final answer
x = 3,494,079.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.