Finding the Fourth Proportional to 2,512,128.14, 3,465,261.02 and 1,580,354.15
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Solution
The fourth proportional to 2,512,128.14, 3,465,261.02 and 1,580,354.15 is: 2,179,960.31
Step by Step Solution
- Step 1: Write the proportion equation
2,512,128.14 : 3,465,261.02 = 1,580,354.15 : x - Step 2: Convert to fraction form
2,512,128.14/3,465,261.02 = 1,580,354.15/x - Step 3: Cross multiply
2,512,128.14x = 3,465,261.02 × 1,580,354.15 - Step 4: Simplify right side
2,512,128.14x = 5,476,339,633,790.23 - Step 5: Solve for x
x = 5,476,339,633,790.23/2,512,128.14 - Step 6: Final answer
x = 2,179,960.31
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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.