Finding the Fourth Proportional to 3,631,984.74, 5,446,085.33 and 1,355,636.99
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Solution
The fourth proportional to 3,631,984.74, 5,446,085.33 and 1,355,636.99 is: 2,032,749.37
Step by Step Solution
- Step 1: Write the proportion equation
3,631,984.74 : 5,446,085.33 = 1,355,636.99 : x - Step 2: Convert to fraction form
3,631,984.74/5,446,085.33 = 1,355,636.99/x - Step 3: Cross multiply
3,631,984.74x = 5,446,085.33 × 1,355,636.99 - Step 4: Simplify right side
3,631,984.74x = 7,382,914,690,035.75 - Step 5: Solve for x
x = 7,382,914,690,035.75/3,631,984.74 - Step 6: Final answer
x = 2,032,749.37
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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.