Finding the Fourth Proportional to 3,588,165.93, 5,380,669.70 and 1,313,099.09
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Solution
The fourth proportional to 3,588,165.93, 5,380,669.70 and 1,313,099.09 is: 1,969,070.72
Step by Step Solution
- Step 1: Write the proportion equation
3,588,165.93 : 5,380,669.70 = 1,313,099.09 : x - Step 2: Convert to fraction form
3,588,165.93/5,380,669.70 = 1,313,099.09/x - Step 3: Cross multiply
3,588,165.93x = 5,380,669.70 × 1,313,099.09 - Step 4: Simplify right side
3,588,165.93x = 7,065,352,486,660.57 - Step 5: Solve for x
x = 7,065,352,486,660.57/3,588,165.93 - Step 6: Final answer
x = 1,969,070.72
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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.