Finding the Fourth Proportional to 1,675,921.62, 2,513,887.60 and 413,749.38
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Solution
The fourth proportional to 1,675,921.62, 2,513,887.60 and 413,749.38 is: 620,625.35
Step by Step Solution
- Step 1: Write the proportion equation
1,675,921.62 : 2,513,887.60 = 413,749.38 : x - Step 2: Convert to fraction form
1,675,921.62/2,513,887.60 = 413,749.38/x - Step 3: Cross multiply
1,675,921.62x = 2,513,887.60 × 413,749.38 - Step 4: Simplify right side
1,675,921.62x = 1,040,119,435,889.69 - Step 5: Solve for x
x = 1,040,119,435,889.69/1,675,921.62 - Step 6: Final answer
x = 620,625.35
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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.