Finding the Fourth Proportional to 3,305,488.86, 4,958,099.99 and 1,686,222.17
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Solution
The fourth proportional to 3,305,488.86, 4,958,099.99 and 1,686,222.17 is: 2,529,265.26
Step by Step Solution
- Step 1: Write the proportion equation
3,305,488.86 : 4,958,099.99 = 1,686,222.17 : x - Step 2: Convert to fraction form
3,305,488.86/4,958,099.99 = 1,686,222.17/x - Step 3: Cross multiply
3,305,488.86x = 4,958,099.99 × 1,686,222.17 - Step 4: Simplify right side
3,305,488.86x = 8,360,458,128,178.92 - Step 5: Solve for x
x = 8,360,458,128,178.92/3,305,488.86 - Step 6: Final answer
x = 2,529,265.26
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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.