Finding the Fourth Proportional to 1,616,546.74, 2,230,786.78 and 891,394.28
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Solution
The fourth proportional to 1,616,546.74, 2,230,786.78 and 891,394.28 is: 1,230,097.79
Step by Step Solution
- Step 1: Write the proportion equation
1,616,546.74 : 2,230,786.78 = 891,394.28 : x - Step 2: Convert to fraction form
1,616,546.74/2,230,786.78 = 891,394.28/x - Step 3: Cross multiply
1,616,546.74x = 2,230,786.78 × 891,394.28 - Step 4: Simplify right side
1,616,546.74x = 1,988,510,575,591.62 - Step 5: Solve for x
x = 1,988,510,575,591.62/1,616,546.74 - Step 6: Final answer
x = 1,230,097.79
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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.