Finding the Fourth Proportional to 2,691,709.97, 4,038,165.09 and 772,471.57
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Solution
The fourth proportional to 2,691,709.97, 4,038,165.09 and 772,471.57 is: 1,158,879.58
Step by Step Solution
- Step 1: Write the proportion equation
2,691,709.97 : 4,038,165.09 = 772,471.57 : x - Step 2: Convert to fraction form
2,691,709.97/4,038,165.09 = 772,471.57/x - Step 3: Cross multiply
2,691,709.97x = 4,038,165.09 × 772,471.57 - Step 4: Simplify right side
2,691,709.97x = 3,119,367,726,991.49 - Step 5: Solve for x
x = 3,119,367,726,991.49/2,691,709.97 - Step 6: Final answer
x = 1,158,879.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.