Finding the Fourth Proportional to 3,877,501.97, 5,350,952.72 and 2,135,167.21
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Solution
The fourth proportional to 3,877,501.97, 5,350,952.72 and 2,135,167.21 is: 2,946,530.74
Step by Step Solution
- Step 1: Write the proportion equation
3,877,501.97 : 5,350,952.72 = 2,135,167.21 : x - Step 2: Convert to fraction form
3,877,501.97/5,350,952.72 = 2,135,167.21/x - Step 3: Cross multiply
3,877,501.97x = 5,350,952.72 × 2,135,167.21 - Step 4: Simplify right side
3,877,501.97x = 11,425,178,764,235.02 - Step 5: Solve for x
x = 11,425,178,764,235.02/3,877,501.97 - Step 6: Final answer
x = 2,946,530.74
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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.