Finding the Fourth Proportional to 3,465,717.80, 5,198,576.70 and 2,625,909.80
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Solution
The fourth proportional to 3,465,717.80, 5,198,576.70 and 2,625,909.80 is: 3,938,864.70
Step by Step Solution
- Step 1: Write the proportion equation
3,465,717.80 : 5,198,576.70 = 2,625,909.80 : x - Step 2: Convert to fraction form
3,465,717.80/5,198,576.70 = 2,625,909.80/x - Step 3: Cross multiply
3,465,717.80x = 5,198,576.70 × 2,625,909.80 - Step 4: Simplify right side
3,465,717.80x = 13,650,993,502,581.66 - Step 5: Solve for x
x = 13,650,993,502,581.66/3,465,717.80 - Step 6: Final answer
x = 3,938,864.70
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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.