Finding the Fourth Proportional to 3,655,677.56, 5,481,125.21 and 3,454,940.12
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Solution
The fourth proportional to 3,655,677.56, 5,481,125.21 and 3,454,940.12 is: 5,180,150.35
Step by Step Solution
- Step 1: Write the proportion equation
3,655,677.56 : 5,481,125.21 = 3,454,940.12 : x - Step 2: Convert to fraction form
3,655,677.56/5,481,125.21 = 3,454,940.12/x - Step 3: Cross multiply
3,655,677.56x = 5,481,125.21 × 3,454,940.12 - Step 4: Simplify right side
3,655,677.56x = 18,936,959,372,004.15 - Step 5: Solve for x
x = 18,936,959,372,004.15/3,655,677.56 - Step 6: Final answer
x = 5,180,150.35
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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.