Finding the Fourth Proportional to 3,177,129.53, 4,384,483.20 and 1,726,824.53
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Solution
The fourth proportional to 3,177,129.53, 4,384,483.20 and 1,726,824.53 is: 2,383,042.01
Step by Step Solution
- Step 1: Write the proportion equation
3,177,129.53 : 4,384,483.20 = 1,726,824.53 : x - Step 2: Convert to fraction form
3,177,129.53/4,384,483.20 = 1,726,824.53/x - Step 3: Cross multiply
3,177,129.53x = 4,384,483.20 × 1,726,824.53 - Step 4: Simplify right side
3,177,129.53x = 7,571,233,119,210.48 - Step 5: Solve for x
x = 7,571,233,119,210.48/3,177,129.53 - Step 6: Final answer
x = 2,383,042.01
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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.