Finding the Fourth Proportional to 4,855,910.05, 6,701,157.21 and 2,680,454.62
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Solution
The fourth proportional to 4,855,910.05, 6,701,157.21 and 2,680,454.62 is: 3,699,028.12
Step by Step Solution
- Step 1: Write the proportion equation
4,855,910.05 : 6,701,157.21 = 2,680,454.62 : x - Step 2: Convert to fraction form
4,855,910.05/6,701,157.21 = 2,680,454.62/x - Step 3: Cross multiply
4,855,910.05x = 6,701,157.21 × 2,680,454.62 - Step 4: Simplify right side
4,855,910.05x = 17,962,147,802,890.81 - Step 5: Solve for x
x = 17,962,147,802,890.81/4,855,910.05 - Step 6: Final answer
x = 3,699,028.12
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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.