Finding the Fourth Proportional to 1,811,324.81, 2,499,654.11 and 995,603.91
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Solution
The fourth proportional to 1,811,324.81, 2,499,654.11 and 995,603.91 is: 1,373,947.62
Step by Step Solution
- Step 1: Write the proportion equation
1,811,324.81 : 2,499,654.11 = 995,603.91 : x - Step 2: Convert to fraction form
1,811,324.81/2,499,654.11 = 995,603.91/x - Step 3: Cross multiply
1,811,324.81x = 2,499,654.11 × 995,603.91 - Step 4: Simplify right side
1,811,324.81x = 2,488,665,400,585.55 - Step 5: Solve for x
x = 2,488,665,400,585.55/1,811,324.81 - Step 6: Final answer
x = 1,373,947.62
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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.