Finding the Fourth Proportional to 2,380,621.84, 3,284,458.80 and 1,347,988.48
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Solution
The fourth proportional to 2,380,621.84, 3,284,458.80 and 1,347,988.48 is: 1,859,771.49
Step by Step Solution
- Step 1: Write the proportion equation
2,380,621.84 : 3,284,458.80 = 1,347,988.48 : x - Step 2: Convert to fraction form
2,380,621.84/3,284,458.80 = 1,347,988.48/x - Step 3: Cross multiply
2,380,621.84x = 3,284,458.80 × 1,347,988.48 - Step 4: Simplify right side
2,380,621.84x = 4,427,412,625,434.62 - Step 5: Solve for x
x = 4,427,412,625,434.62/2,380,621.84 - Step 6: Final answer
x = 1,859,771.49
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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.