Finding the Fourth Proportional to 3,675,373.63, 5,072,138.85 and 2,021,590.71
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Solution
The fourth proportional to 3,675,373.63, 5,072,138.85 and 2,021,590.71 is: 2,789,862.97
Step by Step Solution
- Step 1: Write the proportion equation
3,675,373.63 : 5,072,138.85 = 2,021,590.71 : x - Step 2: Convert to fraction form
3,675,373.63/5,072,138.85 = 2,021,590.71/x - Step 3: Cross multiply
3,675,373.63x = 5,072,138.85 × 2,021,590.71 - Step 4: Simplify right side
3,675,373.63x = 10,253,788,786,571.05 - Step 5: Solve for x
x = 10,253,788,786,571.05/3,675,373.63 - Step 6: Final answer
x = 2,789,862.97
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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.