Finding the Fourth Proportional to 2,544,782.66, 3,511,711.02 and 1,398,854.80
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Solution
The fourth proportional to 2,544,782.66, 3,511,711.02 and 1,398,854.80 is: 1,930,370.67
Step by Step Solution
- Step 1: Write the proportion equation
2,544,782.66 : 3,511,711.02 = 1,398,854.80 : x - Step 2: Convert to fraction form
2,544,782.66/3,511,711.02 = 1,398,854.80/x - Step 3: Cross multiply
2,544,782.66x = 3,511,711.02 × 1,398,854.80 - Step 4: Simplify right side
2,544,782.66x = 4,912,373,816,539.90 - Step 5: Solve for x
x = 4,912,373,816,539.90/2,544,782.66 - Step 6: Final answer
x = 1,930,370.67
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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.