Finding the Fourth Proportional to 7,756,559.38, 11,637,059.01 and 2,640,116.62
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Solution
The fourth proportional to 7,756,559.38, 11,637,059.01 and 2,640,116.62 is: 3,960,930.54
Step by Step Solution
- Step 1: Write the proportion equation
7,756,559.38 : 11,637,059.01 = 2,640,116.62 : x - Step 2: Convert to fraction form
7,756,559.38/11,637,059.01 = 2,640,116.62/x - Step 3: Cross multiply
7,756,559.38x = 11,637,059.01 × 2,640,116.62 - Step 4: Simplify right side
7,756,559.38x = 30,723,192,900,221.75 - Step 5: Solve for x
x = 30,723,192,900,221.75/7,756,559.38 - Step 6: Final answer
x = 3,960,930.54
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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.