Finding the Fourth Proportional to 2,494,213.20, 3,742,421.40 and 1,214,110.80
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Solution
The fourth proportional to 2,494,213.20, 3,742,421.40 and 1,214,110.80 is: 1,821,702.43
Step by Step Solution
- Step 1: Write the proportion equation
2,494,213.20 : 3,742,421.40 = 1,214,110.80 : x - Step 2: Convert to fraction form
2,494,213.20/3,742,421.40 = 1,214,110.80/x - Step 3: Cross multiply
2,494,213.20x = 3,742,421.40 × 1,214,110.80 - Step 4: Simplify right side
2,494,213.20x = 4,543,714,239,891.12 - Step 5: Solve for x
x = 4,543,714,239,891.12/2,494,213.20 - Step 6: Final answer
x = 1,821,702.43
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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.