Finding the Fourth Proportional to 3,769,898.94, 5,202,240.56 and 2,115,892.38
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Solution
The fourth proportional to 3,769,898.94, 5,202,240.56 and 2,115,892.38 is: 2,919,808.02
Step by Step Solution
- Step 1: Write the proportion equation
3,769,898.94 : 5,202,240.56 = 2,115,892.38 : x - Step 2: Convert to fraction form
3,769,898.94/5,202,240.56 = 2,115,892.38/x - Step 3: Cross multiply
3,769,898.94x = 5,202,240.56 × 2,115,892.38 - Step 4: Simplify right side
3,769,898.94x = 11,007,381,149,251.47 - Step 5: Solve for x
x = 11,007,381,149,251.47/3,769,898.94 - Step 6: Final answer
x = 2,919,808.02
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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.