Finding the Fourth Proportional to 2,354,384.40, 3,524,578.20 and 1,556,566.80
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Solution
The fourth proportional to 2,354,384.40, 3,524,578.20 and 1,556,566.80 is: 2,330,223.31
Step by Step Solution
- Step 1: Write the proportion equation
2,354,384.40 : 3,524,578.20 = 1,556,566.80 : x - Step 2: Convert to fraction form
2,354,384.40/3,524,578.20 = 1,556,566.80/x - Step 3: Cross multiply
2,354,384.40x = 3,524,578.20 × 1,556,566.80 - Step 4: Simplify right side
2,354,384.40x = 5,486,241,410,123.76 - Step 5: Solve for x
x = 5,486,241,410,123.76/2,354,384.40 - Step 6: Final answer
x = 2,330,223.31
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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.