Finding the Fourth Proportional to 3,177,797.12, 4,385,388.56 and 1,727,495.36
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Solution
The fourth proportional to 3,177,797.12, 4,385,388.56 and 1,727,495.36 is: 2,383,959.11
Step by Step Solution
- Step 1: Write the proportion equation
3,177,797.12 : 4,385,388.56 = 1,727,495.36 : x - Step 2: Convert to fraction form
3,177,797.12/4,385,388.56 = 1,727,495.36/x - Step 3: Cross multiply
3,177,797.12x = 4,385,388.56 × 1,727,495.36 - Step 4: Simplify right side
3,177,797.12x = 7,575,738,389,197.08 - Step 5: Solve for x
x = 7,575,738,389,197.08/3,177,797.12 - Step 6: Final answer
x = 2,383,959.11
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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.