Finding the Fourth Proportional to 2,811,339.68, 4,217,421.69 and 891,610.64
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Solution
The fourth proportional to 2,811,339.68, 4,217,421.69 and 891,610.64 is: 1,337,546.68
Step by Step Solution
- Step 1: Write the proportion equation
2,811,339.68 : 4,217,421.69 = 891,610.64 : x - Step 2: Convert to fraction form
2,811,339.68/4,217,421.69 = 891,610.64/x - Step 3: Cross multiply
2,811,339.68x = 4,217,421.69 × 891,610.64 - Step 4: Simplify right side
2,811,339.68x = 3,760,298,052,170.78 - Step 5: Solve for x
x = 3,760,298,052,170.78/2,811,339.68 - Step 6: Final answer
x = 1,337,546.68
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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.