Finding the Fourth Proportional to 3,315,087.95, 4,972,631.99 and 2,192,894.51
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Solution
The fourth proportional to 3,315,087.95, 4,972,631.99 and 2,192,894.51 is: 3,289,341.80
Step by Step Solution
- Step 1: Write the proportion equation
3,315,087.95 : 4,972,631.99 = 2,192,894.51 : x - Step 2: Convert to fraction form
3,315,087.95/4,972,631.99 = 2,192,894.51/x - Step 3: Cross multiply
3,315,087.95x = 4,972,631.99 × 2,192,894.51 - Step 4: Simplify right side
3,315,087.95x = 10,904,457,355,293.74 - Step 5: Solve for x
x = 10,904,457,355,293.74/3,315,087.95 - Step 6: Final answer
x = 3,289,341.80
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1.5x scale
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.