Finding the Fourth Proportional to 3,371,314.80, 5,058,721.80 and 1,478,247.60
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Solution
The fourth proportional to 3,371,314.80, 5,058,721.80 and 1,478,247.60 is: 2,218,138.56
Step by Step Solution
- Step 1: Write the proportion equation
3,371,314.80 : 5,058,721.80 = 1,478,247.60 : x - Step 2: Convert to fraction form
3,371,314.80/5,058,721.80 = 1,478,247.60/x - Step 3: Cross multiply
3,371,314.80x = 5,058,721.80 × 1,478,247.60 - Step 4: Simplify right side
3,371,314.80x = 7,478,043,359,917.68 - Step 5: Solve for x
x = 7,478,043,359,917.68/3,371,314.80 - Step 6: Final answer
x = 2,218,138.56
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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.