Finding the Fourth Proportional to 2,426,959.20, 3,642,771.60 and 1,230,232.80
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Solution
The fourth proportional to 2,426,959.20, 3,642,771.60 and 1,230,232.80 is: 1,846,531.70
Step by Step Solution
- Step 1: Write the proportion equation
2,426,959.20 : 3,642,771.60 = 1,230,232.80 : x - Step 2: Convert to fraction form
2,426,959.20/3,642,771.60 = 1,230,232.80/x - Step 3: Cross multiply
2,426,959.20x = 3,642,771.60 × 1,230,232.80 - Step 4: Simplify right side
2,426,959.20x = 4,481,457,105,228.48 - Step 5: Solve for x
x = 4,481,457,105,228.48/2,426,959.20 - Step 6: Final answer
x = 1,846,531.70
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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.