Finding the Fourth Proportional to 4,849,482.81, 7,274,224.22 and 1,972,414.99
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Solution
The fourth proportional to 4,849,482.81, 7,274,224.22 and 1,972,414.99 is: 2,958,622.49
Step by Step Solution
- Step 1: Write the proportion equation
4,849,482.81 : 7,274,224.22 = 1,972,414.99 : x - Step 2: Convert to fraction form
4,849,482.81/7,274,224.22 = 1,972,414.99/x - Step 3: Cross multiply
4,849,482.81x = 7,274,224.22 × 1,972,414.99 - Step 4: Simplify right side
4,849,482.81x = 14,347,788,892,149.06 - Step 5: Solve for x
x = 14,347,788,892,149.06/4,849,482.81 - Step 6: Final answer
x = 2,958,622.49
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Double scale
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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.