Finding the Fourth Proportional to 7,720,306.56, 11,580,542.99 and 2,329,003.69
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Solution
The fourth proportional to 7,720,306.56, 11,580,542.99 and 2,329,003.69 is: 3,493,530.62
Step by Step Solution
- Step 1: Write the proportion equation
7,720,306.56 : 11,580,542.99 = 2,329,003.69 : x - Step 2: Convert to fraction form
7,720,306.56/11,580,542.99 = 2,329,003.69/x - Step 3: Cross multiply
7,720,306.56x = 11,580,542.99 × 2,329,003.69 - Step 4: Simplify right side
7,720,306.56x = 26,971,127,355,913.63 - Step 5: Solve for x
x = 26,971,127,355,913.63/7,720,306.56 - Step 6: Final answer
x = 3,493,530.62
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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.