Finding the Fourth Proportional to 1,343,110.10, 2,016,220.35 and 811,231.70
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Solution
The fourth proportional to 1,343,110.10, 2,016,220.35 and 811,231.70 is: 1,217,786.88
Step by Step Solution
- Step 1: Write the proportion equation
1,343,110.10 : 2,016,220.35 = 811,231.70 : x - Step 2: Convert to fraction form
1,343,110.10/2,016,220.35 = 811,231.70/x - Step 3: Cross multiply
1,343,110.10x = 2,016,220.35 × 811,231.70 - Step 4: Simplify right side
1,343,110.10x = 1,635,621,862,105.10 - Step 5: Solve for x
x = 1,635,621,862,105.10/1,343,110.10 - Step 6: Final answer
x = 1,217,786.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.