Finding the Fourth Proportional to 4,152,917.70, 6,229,376.55 and 3,313,109.70
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Solution
The fourth proportional to 4,152,917.70, 6,229,376.55 and 3,313,109.70 is: 4,969,664.55
Step by Step Solution
- Step 1: Write the proportion equation
4,152,917.70 : 6,229,376.55 = 3,313,109.70 : x - Step 2: Convert to fraction form
4,152,917.70/6,229,376.55 = 3,313,109.70/x - Step 3: Cross multiply
4,152,917.70x = 6,229,376.55 × 3,313,109.70 - Step 4: Simplify right side
4,152,917.70x = 20,638,607,872,757.54 - Step 5: Solve for x
x = 20,638,607,872,757.54/4,152,917.70 - Step 6: Final answer
x = 4,969,664.55
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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.