Finding the Fourth Proportional to 3,685,351.36, 5,084,046.48 and 2,156,512
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Solution
The fourth proportional to 3,685,351.36, 5,084,046.48 and 2,156,512 is: 2,974,969.32
Step by Step Solution
- Step 1: Write the proportion equation
3,685,351.36 : 5,084,046.48 = 2,156,512 : x - Step 2: Convert to fraction form
3,685,351.36/5,084,046.48 = 2,156,512/x - Step 3: Cross multiply
3,685,351.36x = 5,084,046.48 × 2,156,512 - Step 4: Simplify right side
3,685,351.36x = 10,963,807,242,677.76 - Step 5: Solve for x
x = 10,963,807,242,677.76/3,685,351.36 - Step 6: Final answer
x = 2,974,969.32
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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.