Finding the Fourth Proportional to 2,486,524.91, 3,729,787.50 and 689,408.42
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Solution
The fourth proportional to 2,486,524.91, 3,729,787.50 and 689,408.42 is: 1,034,112.66
Step by Step Solution
- Step 1: Write the proportion equation
2,486,524.91 : 3,729,787.50 = 689,408.42 : x - Step 2: Convert to fraction form
2,486,524.91/3,729,787.50 = 689,408.42/x - Step 3: Cross multiply
2,486,524.91x = 3,729,787.50 × 689,408.42 - Step 4: Simplify right side
2,486,524.91x = 2,571,346,888,661.81 - Step 5: Solve for x
x = 2,571,346,888,661.81/2,486,524.91 - Step 6: Final answer
x = 1,034,112.66
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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.