Finding the Fourth Proportional to 3,127,219.62, 4,315,571.37 and 1,696,435.62
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Solution
The fourth proportional to 3,127,219.62, 4,315,571.37 and 1,696,435.62 is: 2,341,085.66
Step by Step Solution
- Step 1: Write the proportion equation
3,127,219.62 : 4,315,571.37 = 1,696,435.62 : x - Step 2: Convert to fraction form
3,127,219.62/4,315,571.37 = 1,696,435.62/x - Step 3: Cross multiply
3,127,219.62x = 4,315,571.37 × 1,696,435.62 - Step 4: Simplify right side
3,127,219.62x = 7,321,088,992,720.20 - Step 5: Solve for x
x = 7,321,088,992,720.20/3,127,219.62 - Step 6: Final answer
x = 2,341,085.66
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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.