Finding the Fourth Proportional to 2,690,908.38, 3,713,715.99 and 2,010,663.90
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Solution
The fourth proportional to 2,690,908.38, 3,713,715.99 and 2,010,663.90 is: 2,774,912.27
Step by Step Solution
- Step 1: Write the proportion equation
2,690,908.38 : 3,713,715.99 = 2,010,663.90 : x - Step 2: Convert to fraction form
2,690,908.38/3,713,715.99 = 2,010,663.90/x - Step 3: Cross multiply
2,690,908.38x = 3,713,715.99 × 2,010,663.90 - Step 4: Simplify right side
2,690,908.38x = 7,467,034,675,945.76 - Step 5: Solve for x
x = 7,467,034,675,945.76/2,690,908.38 - Step 6: Final answer
x = 2,774,912.27
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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.