Finding the Fourth Proportional to 1,168,101.05, 1,612,324.20 and 684,770.81
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Solution
The fourth proportional to 1,168,101.05, 1,612,324.20 and 684,770.81 is: 945,185.82
Step by Step Solution
- Step 1: Write the proportion equation
1,168,101.05 : 1,612,324.20 = 684,770.81 : x - Step 2: Convert to fraction form
1,168,101.05/1,612,324.20 = 684,770.81/x - Step 3: Cross multiply
1,168,101.05x = 1,612,324.20 × 684,770.81 - Step 4: Simplify right side
1,168,101.05x = 1,104,072,548,416.60 - Step 5: Solve for x
x = 1,104,072,548,416.60/1,168,101.05 - Step 6: Final answer
x = 945,185.82
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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.