Finding the Fourth Proportional to 3,908,751, 5,393,945.97 and 2,166,346.14
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Solution
The fourth proportional to 3,908,751, 5,393,945.97 and 2,166,346.14 is: 2,989,485.40
Step by Step Solution
- Step 1: Write the proportion equation
3,908,751 : 5,393,945.97 = 2,166,346.14 : x - Step 2: Convert to fraction form
3,908,751/5,393,945.97 = 2,166,346.14/x - Step 3: Cross multiply
3,908,751x = 5,393,945.97 × 2,166,346.14 - Step 4: Simplify right side
3,908,751x = 11,685,154,031,478.06 - Step 5: Solve for x
x = 11,685,154,031,478.06/3,908,751 - Step 6: Final answer
x = 2,989,485.40
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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.