Finding the Fourth Proportional to 1,703,138.97, 2,550,558.43 and 1,126,410.90
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Solution
The fourth proportional to 1,703,138.97, 2,550,558.43 and 1,126,410.90 is: 1,686,871.63
Step by Step Solution
- Step 1: Write the proportion equation
1,703,138.97 : 2,550,558.43 = 1,126,410.90 : x - Step 2: Convert to fraction form
1,703,138.97/2,550,558.43 = 1,126,410.90/x - Step 3: Cross multiply
1,703,138.97x = 2,550,558.43 × 1,126,410.90 - Step 4: Simplify right side
1,703,138.97x = 2,872,976,816,638.89 - Step 5: Solve for x
x = 2,872,976,816,638.89/1,703,138.97 - Step 6: Final answer
x = 1,686,871.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.