Finding the Fourth Proportional to 1,911,707.92, 2,638,136 and 1,052,249.68
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Solution
The fourth proportional to 1,911,707.92, 2,638,136 and 1,052,249.68 is: 1,452,093.04
Step by Step Solution
- Step 1: Write the proportion equation
1,911,707.92 : 2,638,136 = 1,052,249.68 : x - Step 2: Convert to fraction form
1,911,707.92/2,638,136 = 1,052,249.68/x - Step 3: Cross multiply
1,911,707.92x = 2,638,136 × 1,052,249.68 - Step 4: Simplify right side
1,911,707.92x = 2,775,977,761,796.48 - Step 5: Solve for x
x = 2,775,977,761,796.48/1,911,707.92 - Step 6: Final answer
x = 1,452,093.04
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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.