Finding the Fourth Proportional to 2,505,721.36, 3,457,920.84 and 1,359,811.60
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Solution
The fourth proportional to 2,505,721.36, 3,457,920.84 and 1,359,811.60 is: 1,876,553.77
Step by Step Solution
- Step 1: Write the proportion equation
2,505,721.36 : 3,457,920.84 = 1,359,811.60 : x - Step 2: Convert to fraction form
2,505,721.36/3,457,920.84 = 1,359,811.60/x - Step 3: Cross multiply
2,505,721.36x = 3,457,920.84 × 1,359,811.60 - Step 4: Simplify right side
2,505,721.36x = 4,702,120,870,113.74 - Step 5: Solve for x
x = 4,702,120,870,113.74/2,505,721.36 - Step 6: Final answer
x = 1,876,553.77
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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.