Finding the Fourth Proportional to 3,867,645.48, 5,330,594.71 and 2,832,955.05
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Solution
The fourth proportional to 3,867,645.48, 5,330,594.71 and 2,832,955.05 is: 3,904,529.33
Step by Step Solution
- Step 1: Write the proportion equation
3,867,645.48 : 5,330,594.71 = 2,832,955.05 : x - Step 2: Convert to fraction form
3,867,645.48/5,330,594.71 = 2,832,955.05/x - Step 3: Cross multiply
3,867,645.48x = 5,330,594.71 × 2,832,955.05 - Step 4: Simplify right side
3,867,645.48x = 15,101,335,226,728.71 - Step 5: Solve for x
x = 15,101,335,226,728.71/3,867,645.48 - Step 6: Final answer
x = 3,904,529.33
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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.