Finding the Fourth Proportional to 1,618,843.50, 2,234,022.16 and 893,691.68
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Solution
The fourth proportional to 1,618,843.50, 2,234,022.16 and 893,691.68 is: 1,233,304.53
Step by Step Solution
- Step 1: Write the proportion equation
1,618,843.50 : 2,234,022.16 = 893,691.68 : x - Step 2: Convert to fraction form
1,618,843.50/2,234,022.16 = 893,691.68/x - Step 3: Cross multiply
1,618,843.50x = 2,234,022.16 × 893,691.68 - Step 4: Simplify right side
1,618,843.50x = 1,996,527,017,327.63 - Step 5: Solve for x
x = 1,996,527,017,327.63/1,618,843.50 - Step 6: Final answer
x = 1,233,304.53
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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.