Finding the Fourth Proportional to 2,471,408.80, 3,707,113.20 and 873,959.20
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Solution
The fourth proportional to 2,471,408.80, 3,707,113.20 and 873,959.20 is: 1,310,938.80
Step by Step Solution
- Step 1: Write the proportion equation
2,471,408.80 : 3,707,113.20 = 873,959.20 : x - Step 2: Convert to fraction form
2,471,408.80/3,707,113.20 = 873,959.20/x - Step 3: Cross multiply
2,471,408.80x = 3,707,113.20 × 873,959.20 - Step 4: Simplify right side
2,471,408.80x = 3,239,865,686,581.44 - Step 5: Solve for x
x = 3,239,865,686,581.44/2,471,408.80 - Step 6: Final answer
x = 1,310,938.80
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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.