Finding the Fourth Proportional to 3,912,090.75, 5,868,683.82 and 3,696,954.75
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Solution
The fourth proportional to 3,912,090.75, 5,868,683.82 and 3,696,954.75 is: 5,545,949.70
Step by Step Solution
- Step 1: Write the proportion equation
3,912,090.75 : 5,868,683.82 = 3,696,954.75 : x - Step 2: Convert to fraction form
3,912,090.75/5,868,683.82 = 3,696,954.75/x - Step 3: Cross multiply
3,912,090.75x = 5,868,683.82 × 3,696,954.75 - Step 4: Simplify right side
3,912,090.75x = 21,696,258,524,597.14 - Step 5: Solve for x
x = 21,696,258,524,597.14/3,912,090.75 - Step 6: Final answer
x = 5,545,949.70
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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.