Finding the Fourth Proportional to 3,339,583.98, 4,608,634.48 and 1,811,690.96
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Solution
The fourth proportional to 3,339,583.98, 4,608,634.48 and 1,811,690.96 is: 2,500,138.18
Step by Step Solution
- Step 1: Write the proportion equation
3,339,583.98 : 4,608,634.48 = 1,811,690.96 : x - Step 2: Convert to fraction form
3,339,583.98/4,608,634.48 = 1,811,690.96/x - Step 3: Cross multiply
3,339,583.98x = 4,608,634.48 × 1,811,690.96 - Step 4: Simplify right side
3,339,583.98x = 8,349,421,425,360.30 - Step 5: Solve for x
x = 8,349,421,425,360.30/3,339,583.98 - Step 6: Final answer
x = 2,500,138.18
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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.