Finding the Fourth Proportional to 3,439,984.94, 4,747,182.25 and 1,891,272.96
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Solution
The fourth proportional to 3,439,984.94, 4,747,182.25 and 1,891,272.96 is: 2,609,958.35
Step by Step Solution
- Step 1: Write the proportion equation
3,439,984.94 : 4,747,182.25 = 1,891,272.96 : x - Step 2: Convert to fraction form
3,439,984.94/4,747,182.25 = 1,891,272.96/x - Step 3: Cross multiply
3,439,984.94x = 4,747,182.25 × 1,891,272.96 - Step 4: Simplify right side
3,439,984.94x = 8,978,217,425,616.96 - Step 5: Solve for x
x = 8,978,217,425,616.96/3,439,984.94 - Step 6: Final answer
x = 2,609,958.35
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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.