Finding the Fourth Proportional to 3,878,745.84, 5,352,669 and 2,248,099.05
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Solution
The fourth proportional to 3,878,745.84, 5,352,669 and 2,248,099.05 is: 3,102,376.54
Step by Step Solution
- Step 1: Write the proportion equation
3,878,745.84 : 5,352,669 = 2,248,099.05 : x - Step 2: Convert to fraction form
3,878,745.84/5,352,669 = 2,248,099.05/x - Step 3: Cross multiply
3,878,745.84x = 5,352,669 × 2,248,099.05 - Step 4: Simplify right side
3,878,745.84x = 12,033,330,093,864.45 - Step 5: Solve for x
x = 12,033,330,093,864.45/3,878,745.84 - Step 6: Final answer
x = 3,102,376.54
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1.5x scale
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.