Finding the Fourth Proportional to 2,354,385.40, 3,524,579.70 and 1,556,567.80
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Solution
The fourth proportional to 2,354,385.40, 3,524,579.70 and 1,556,567.80 is: 2,330,224.81
Step by Step Solution
- Step 1: Write the proportion equation
2,354,385.40 : 3,524,579.70 = 1,556,567.80 : x - Step 2: Convert to fraction form
2,354,385.40/3,524,579.70 = 1,556,567.80/x - Step 3: Cross multiply
2,354,385.40x = 3,524,579.70 × 1,556,567.80 - Step 4: Simplify right side
2,354,385.40x = 5,486,247,269,553.66 - Step 5: Solve for x
x = 5,486,247,269,553.66/2,354,385.40 - Step 6: Final answer
x = 2,330,224.81
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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.