Finding the Fourth Proportional to 3,516,792.32, 5,274,450.36 and 991,857.08
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Solution
The fourth proportional to 3,516,792.32, 5,274,450.36 and 991,857.08 is: 1,487,577.45
Step by Step Solution
- Step 1: Write the proportion equation
3,516,792.32 : 5,274,450.36 = 991,857.08 : x - Step 2: Convert to fraction form
3,516,792.32/5,274,450.36 = 991,857.08/x - Step 3: Cross multiply
3,516,792.32x = 5,274,450.36 × 991,857.08 - Step 4: Simplify right side
3,516,792.32x = 5,231,500,949,580.14 - Step 5: Solve for x
x = 5,231,500,949,580.14/3,516,792.32 - Step 6: Final answer
x = 1,487,577.45
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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.