Finding the Fourth Proportional to 5,012,311.38, 6,916,996.53 and 2,720,472.18
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Solution
The fourth proportional to 5,012,311.38, 6,916,996.53 and 2,720,472.18 is: 3,754,255.31
Step by Step Solution
- Step 1: Write the proportion equation
5,012,311.38 : 6,916,996.53 = 2,720,472.18 : x - Step 2: Convert to fraction form
5,012,311.38/6,916,996.53 = 2,720,472.18/x - Step 3: Cross multiply
5,012,311.38x = 6,916,996.53 × 2,720,472.18 - Step 4: Simplify right side
5,012,311.38x = 18,817,496,629,021.54 - Step 5: Solve for x
x = 18,817,496,629,021.54/5,012,311.38 - Step 6: Final answer
x = 3,754,255.31
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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.