Finding the Fourth Proportional to 4,371,722.80, 6,557,584.20 and 1,531,465.90
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Solution
The fourth proportional to 4,371,722.80, 6,557,584.20 and 1,531,465.90 is: 2,297,198.85
Step by Step Solution
- Step 1: Write the proportion equation
4,371,722.80 : 6,557,584.20 = 1,531,465.90 : x - Step 2: Convert to fraction form
4,371,722.80/6,557,584.20 = 1,531,465.90/x - Step 3: Cross multiply
4,371,722.80x = 6,557,584.20 × 1,531,465.90 - Step 4: Simplify right side
4,371,722.80x = 10,042,716,588,678.78 - Step 5: Solve for x
x = 10,042,716,588,678.78/4,371,722.80 - Step 6: Final answer
x = 2,297,198.85
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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.