Finding the Fourth Proportional to 3,808,787.95, 5,256,218.22 and 2,177,347.12
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Solution
The fourth proportional to 3,808,787.95, 5,256,218.22 and 2,177,347.12 is: 3,004,790.96
Step by Step Solution
- Step 1: Write the proportion equation
3,808,787.95 : 5,256,218.22 = 2,177,347.12 : x - Step 2: Convert to fraction form
3,808,787.95/5,256,218.22 = 2,177,347.12/x - Step 3: Cross multiply
3,808,787.95x = 5,256,218.22 × 2,177,347.12 - Step 4: Simplify right side
3,808,787.95x = 11,444,611,603,408.53 - Step 5: Solve for x
x = 11,444,611,603,408.53/3,808,787.95 - Step 6: Final answer
x = 3,004,790.96
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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.