Finding the Fourth Proportional to 1,618,539.50, 2,233,584.64 and 893,387.40
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Solution
The fourth proportional to 1,618,539.50, 2,233,584.64 and 893,387.40 is: 1,232,874.68
Step by Step Solution
- Step 1: Write the proportion equation
1,618,539.50 : 2,233,584.64 = 893,387.40 : x - Step 2: Convert to fraction form
1,618,539.50/2,233,584.64 = 893,387.40/x - Step 3: Cross multiply
1,618,539.50x = 2,233,584.64 × 893,387.40 - Step 4: Simplify right side
1,618,539.50x = 1,995,456,374,209.54 - Step 5: Solve for x
x = 1,995,456,374,209.54/1,618,539.50 - Step 6: Final answer
x = 1,232,874.68
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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.