Finding the Fourth Proportional to 1,616,716.08, 2,231,037.14 and 891,630.81
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Solution
The fourth proportional to 1,616,716.08, 2,231,037.14 and 891,630.81 is: 1,230,433.39
Step by Step Solution
- Step 1: Write the proportion equation
1,616,716.08 : 2,231,037.14 = 891,630.81 : x - Step 2: Convert to fraction form
1,616,716.08/2,231,037.14 = 891,630.81/x - Step 3: Cross multiply
1,616,716.08x = 2,231,037.14 × 891,630.81 - Step 4: Simplify right side
1,616,716.08x = 1,989,261,447,820.13 - Step 5: Solve for x
x = 1,989,261,447,820.13/1,616,716.08 - Step 6: Final answer
x = 1,230,433.39
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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.