Finding the Fourth Proportional to 5,370,469.38, 7,411,878.84 and 3,016,054.08
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Solution
The fourth proportional to 5,370,469.38, 7,411,878.84 and 3,016,054.08 is: 4,162,509.05
Step by Step Solution
- Step 1: Write the proportion equation
5,370,469.38 : 7,411,878.84 = 3,016,054.08 : x - Step 2: Convert to fraction form
5,370,469.38/7,411,878.84 = 3,016,054.08/x - Step 3: Cross multiply
5,370,469.38x = 7,411,878.84 × 3,016,054.08 - Step 4: Simplify right side
5,370,469.38x = 22,354,627,415,847.67 - Step 5: Solve for x
x = 22,354,627,415,847.67/5,370,469.38 - Step 6: Final answer
x = 4,162,509.05
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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.