Finding the Fourth Proportional to 4,886,645.26, 7,290,289.76 and 4,622,105.74
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Solution
The fourth proportional to 4,886,645.26, 7,290,289.76 and 4,622,105.74 is: 6,895,628.46
Step by Step Solution
- Step 1: Write the proportion equation
4,886,645.26 : 7,290,289.76 = 4,622,105.74 : x - Step 2: Convert to fraction form
4,886,645.26/7,290,289.76 = 4,622,105.74/x - Step 3: Cross multiply
4,886,645.26x = 7,290,289.76 × 4,622,105.74 - Step 4: Simplify right side
4,886,645.26x = 33,696,490,086,397.25 - Step 5: Solve for x
x = 33,696,490,086,397.25/4,886,645.26 - Step 6: Final answer
x = 6,895,628.46
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.