Finding the Fourth Proportional to 3,045,195.72, 4,202,281.62 and 1,756,245.96
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Solution
The fourth proportional to 3,045,195.72, 4,202,281.62 and 1,756,245.96 is: 2,423,568.40
Step by Step Solution
- Step 1: Write the proportion equation
3,045,195.72 : 4,202,281.62 = 1,756,245.96 : x - Step 2: Convert to fraction form
3,045,195.72/4,202,281.62 = 1,756,245.96/x - Step 3: Cross multiply
3,045,195.72x = 4,202,281.62 × 1,756,245.96 - Step 4: Simplify right side
3,045,195.72x = 7,380,240,117,907.26 - Step 5: Solve for x
x = 7,380,240,117,907.26/3,045,195.72 - Step 6: Final answer
x = 2,423,568.40
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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.