Finding the Fourth Proportional to 2,330,043.36, 3,213,803.44 and 1,555,283.56
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Solution
The fourth proportional to 2,330,043.36, 3,213,803.44 and 1,555,283.56 is: 2,145,185.68
Step by Step Solution
- Step 1: Write the proportion equation
2,330,043.36 : 3,213,803.44 = 1,555,283.56 : x - Step 2: Convert to fraction form
2,330,043.36/3,213,803.44 = 1,555,283.56/x - Step 3: Cross multiply
2,330,043.36x = 3,213,803.44 × 1,555,283.56 - Step 4: Simplify right side
2,330,043.36x = 4,998,375,655,303.45 - Step 5: Solve for x
x = 4,998,375,655,303.45/2,330,043.36 - Step 6: Final answer
x = 2,145,185.68
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1.5x scale
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.