Finding the Fourth Proportional to 5,167,699.40, 7,751,548.99 and 2,135,143.82
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Solution
The fourth proportional to 5,167,699.40, 7,751,548.99 and 2,135,143.82 is: 3,202,715.68
Step by Step Solution
- Step 1: Write the proportion equation
5,167,699.40 : 7,751,548.99 = 2,135,143.82 : x - Step 2: Convert to fraction form
5,167,699.40/7,751,548.99 = 2,135,143.82/x - Step 3: Cross multiply
5,167,699.40x = 7,751,548.99 × 2,135,143.82 - Step 4: Simplify right side
5,167,699.40x = 16,550,671,921,425.74 - Step 5: Solve for x
x = 16,550,671,921,425.74/5,167,699.40 - Step 6: Final answer
x = 3,202,715.68
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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.