Finding the Fourth Proportional to 1,618,638.23, 2,233,708.17 and 893,486.18
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Solution
The fourth proportional to 1,618,638.23, 2,233,708.17 and 893,486.18 is: 1,233,003.98
Step by Step Solution
- Step 1: Write the proportion equation
1,618,638.23 : 2,233,708.17 = 893,486.18 : x - Step 2: Convert to fraction form
1,618,638.23/2,233,708.17 = 893,486.18/x - Step 3: Cross multiply
1,618,638.23x = 2,233,708.17 × 893,486.18 - Step 4: Simplify right side
1,618,638.23x = 1,995,787,380,048.09 - Step 5: Solve for x
x = 1,995,787,380,048.09/1,618,638.23 - Step 6: Final answer
x = 1,233,003.98
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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.