Finding the Fourth Proportional to 5,920,260.57, 8,169,728.99 and 3,716,308.89
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Solution
The fourth proportional to 5,920,260.57, 8,169,728.99 and 3,716,308.89 is: 5,128,361.51
Step by Step Solution
- Step 1: Write the proportion equation
5,920,260.57 : 8,169,728.99 = 3,716,308.89 : x - Step 2: Convert to fraction form
5,920,260.57/8,169,728.99 = 3,716,308.89/x - Step 3: Cross multiply
5,920,260.57x = 8,169,728.99 × 3,716,308.89 - Step 4: Simplify right side
5,920,260.57x = 30,361,236,455,846.18 - Step 5: Solve for x
x = 30,361,236,455,846.18/5,920,260.57 - Step 6: Final answer
x = 5,128,361.51
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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.